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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Spinnaker Halyard / Swivel Blocks |
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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Spinnaker Halyard / Swivel Blocks |
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| Spinnaker Halyard / Swivel Blocks |
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Spinnaker Halyard, or Swivel Blocks are attached to a Spinnaker Bail, or other attachment point,
and used to hoist the Spinnaker Halyard or for any variety of usages requiring a Swivel.
A Spinnaker Bail or Crane, on Masthead Rigs, is usually attached to, and projects forward of the
Masthead (above the Headstay) allowing the Spinnaker to be tacked in front of the Headstay.
These Blocks are also used for Pole Lifts, Topping Lifts and for Spinnaker Halyards on Fractional Rigs.
Swivel Blocks used in this application should be oversized as the Spinnaker Halyard is subjected to some of the highest loads on board. Although most heavy-duty swivel blocks will work, we offer here a selection of blocks, chosen for their ruggedness and longevity. If your Masthead is not equipped with a Spinnaker Bail or Crane, we offer a variety of them designed to fit most Mastheads, See Masthead Spinnaker Bails & Cranes. Note: Some of the Blocks listed here feature Universal Heads allowing for use also as a fixed Front or Side Shackle Block. Although more universally recognized as Swivel Blocks, coming from Spar world, we have grown to refer to them generally as Spinnaker Halyard Blocks. See also: other Blocks, Spinnaker Poles & Parts, and Spinnaker Cars. |
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| Swivel Blocks for Spinnaker Halyards | |
| Swivel Block for Spinnaker Halyard - SS: Sch 02-05:
Swivel Block with 3/16" Shackle for attachment to Spinnaker Crane. Schaefer 02 series block has Stainless Steel cheeks and straps with a 1 1/16" Delrin Sheave for halyards up to 5/16" diameter, and has a 900 lb. Safe Working Load. For boats up to 19 feet.
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| Swivel Block for Spinnaker Halyard - Black: Sch 303-05:
Swivel Block with 3/16" Shackle for attachment to Spinnaker Crane. Schaefer 03 series block has Black Aluminum Cheeks with Stainless Steel straps and a 1 7/16" Delrin Sheave for halyards up to 7/16" diameter, and has a 1000 lb. Safe Working Load. For boats up to 22 feet.
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| Swivel Block for Spinnaker Halyard - SS: Sch 03-05:
Swivel Block with 3/16" Shackle for attachment to Spinnaker Crane. Schaefer 03 series block has Stainless Steel cheeks and straps with a 1 7/16" Delrin Sheave for halyards up to 7/16" diameter, and has a 1000 lb. Safe Working Load. For boats up to 22 feet.
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| Swivel Block for Spinnaker Halyard - Black: Sch 504-05:
Swivel Block with 1/4" Shackle for attachment to Spinnaker Crane. Schaefer 05 series block has Black Aluminum Cheeks with Stainless Steel straps and a 2" Delrin Sheave for halyards up to 1/2" diameter, and has a 1750 lb. Safe Working Load. For boats up to 29 feet.
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| Swivel Block for Spinnaker Halyard - SS: Sch 505-05:
Swivel Block with 1/4" Shackle for attachment to Spinnaker Crane. Schaefer 05 series block has Stainless Steel cheeks and straps with a 2" Delrin Sheave for halyards up to 1/2" diameter, and has a 1750 lb. Safe Working Load. For boats up to 29 feet.
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| Swivel Block for Spinnaker Halyard: Spa 07-05X:
Sparcraft Swivel Block with 6mm forged Shackle for attachment to Spinnaker Crane. Block has GVX high resistance fiberglass Cheeks with Stainless Steel straps, and a 2 3/8" (60mm) Delrin Sheave for line up to 9/16" (14mm) diameter. Plastic Cheeks are marked Sparcraft. 4821400SM4
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| Swivel Block for Spinnaker Halyard - Black: Sch 704-05:
Swivel Block with 1/4" Shackle for attachment to Spinnaker Crane. Schaefer 07 series block has Black Aluminum Cheeks with Stainless Steel straps and a 2 3/8" Delrin Sheave for halyards up to 9/16" diameter, and has a 2250 lb. Safe Working Load. For boats up to 35 feet.
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| Swivel Block for Spinnaker Halyard - SS: Sch 705-05:
Swivel Block with 1/4" Shackle for attachment to Spinnaker Crane. Schaefer 07 series block has Stainless Steel cheeks and straps with a 2 3/8" Delrin Sheave for halyards up to 9/16" diameter, and has a 2250 lb. Safe Working Load. For boats up to 35 feet.
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| Swivel Block for Spinnaker Halyard - SS: Sch 08-05:
Swivel Block with 5/16" Shackle for attachment to Spinnaker Crane. Schaefer 08 series block has Stainless Steel cheeks and straps with a 2 3/8" Delrin Sheave for halyards up to 9/16" diameter, and has a 2750 lb. Safe Working Load. For boats up to 42 feet.
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| SS Swivel Block w/ 2 3/8" Alu. Sheave: Sch 08-05A: | |
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Swivel Block with 5/16" Shackle for attachment to Spinnaker Crane. Schaefer 08 series block
has Stainless Steel cheeks and straps with a 2 3/8" Aluminum Sheave for halyards up to 9/16"
diameter, and has a 2750 lb. Safe Working Load. For boats up to 42 feet.
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| Swivel Block - SS w/ Alu. Ball-Bearing 'UC' Sheave: Sch 08-05UC: | |
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Swivel Block with 5/16" Shackle for attachment to Spinnaker Crane. Stainless Steel Block uses
Schaefer's super-smooth 2 3/8" Aluminum UC Circuit Sheave with Torlon Ball Bearings,
for halyards up to 9/16" diameter. Schaefer 08 series block has a 2750 lb. Safe Working Load,
bolt together construction allows easy disassembly for cleaning. Universal Head may be locked in
place or allowed to swivel. For boats up to 42 feet.
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| Swivel Block for Spinnaker Halyard - Black: Sch 09-05X:
Swivel Block with 5/16" Shackle for attachment to Spinnaker Crane. Schaefer 09 series block has Black Aluminum Cheeks with Stainless Steel straps and a 2 3/8" Delrin Sheave for halyards up to 9/16" diameter, and has a 2750 lb. Safe Working Load. For boats up to 42 feet.
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| Swivel Block w/ Black SS Cheeks, 3" Sheave, 5/16" Shackle: RF 1088X: | |
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Swivel Block with 5/16" (8mm) Shackle has flared Black Stainless Steel cheeks to minimize
chafing at any angle. Universal Head allows use as a Front/Side Shackle Block or as a Swivel Block.
Ronstan Series 75 Block features a 3" UVP Acetyl Sheave for line up to 9/16" (14mm) diameter,
with a 3300 lb. Safe Working Load. 0210098+
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| Swivel Block w/ Becket, Black SS Cheeks, 3" Sheave: RF 1089X: | |
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Swivel Block with removable pin Becket has 5/16" (8mm) Shackle and flared Black Stainless Steel
cheeks to minimize chafing at any angle. Universal Head allows use as a Front/Side Shackle Block or
as a Swivel Block.
Ronstan Series 75 Block features a 3" UVP Acetyl Sheave for line up to 9/16" (14mm) diameter,
with a 3300 lb. Safe Working Load. 0301030+
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| Swivel Block for Spinnaker Halyard, 3 1/4" Sheave - SS: Sch 10-05: | |
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Swivel Block with 3/8" Shackle for attachment to Spinnaker Crane or Bail. Schaefer 10 series
Block is Stainless Steel with a 3 1/4" Delrin Sheave for halyards up to 5/8" diameter,
and has a 3750 lb. Safe Working Load. For boats up to 55 feet.
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| Swivel Block for Spinnaker Halyard - SS w/ Alu. Sheave: Sch 10-05AX: | |
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Swivel Block with 3/8" Shackle for attachment to Spinnaker Crane. Schaefer 10 series block is
Stainless Steel with a 3 1/4" Aluminum Sheave for halyards up to 5/8" diameter,
and has a 3750 lb. Safe Working Load. For boats up to 55 feet.
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| Swivel Block - SS w/ Alu. Ball-Bearing 'UC' Sheave: Sch 10-05UC: | |
| Swivel Block with 3/8" Shackle for attachment to Spinnaker Crane. Stainless Steel Block
uses Schaefer's super-smooth 3 1/4" Aluminum UC Circuit Sheave with Torlon Ball Bearings,
for halyards up to 5/8" diameter. Schaefer 10 series block has a 3750 lb. Safe Working Load,
bolt together construction allows easy disassembly for cleaning. Universal Head may be locked in
place or allowed to swivel. For boats up to 55 feet.
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| Swivel Block for Spinnaker Halyard - Black: Sch 11-05X:
Swivel Block with 3/8" Shackle for attachment to Spinnaker Crane. Schaefer 11 series block has Black Aluminum Cheeks with Stainless Steel straps and a 3 1/4" Delrin Sheave for halyards up to 5/8" diameter, and has a 3750 lb. Safe Working Load. For boats up to 55 feet.
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| Swivel Block for Spinnaker Halyard - Black w/ Alu. Sheave: Sch 12-05X: | |
| Swivel Block with 7/16" Shackle for attachment to Spinnaker Crane. Schaefer 12 series block
has Black Aluminum Cheeks with Stainless Steel straps and a 4" Aluminum Sheave for
halyards up to 3/4" diameter, and has a 5000 lb. Safe Working Load. For boats up to 75 feet.
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| Swivel Block for Spinnaker Halyard - SS w/ Alu. Sheave: Sch 120-05X: | |
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Swivel Block with 7/16" Shackle for attachment to Spinnaker Crane. Schaefer 120 series block has
Stainless Steel cheeks and straps and a 4" Aluminum Sheave for halyards up to 3/4" diameter,
and has a 5000 lb. Safe Working Load. For boats up to 75 feet.
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| Swivel Block - SS w/ Alu. Ball-Bearing 'UC' Sheave: Sch 120-05UC: | |
| Swivel Block with Shackle for attachment to Spinnaker Crane. Stainless Steel Block with 7/16" Shackle uses Schaefer's super-smooth 4" Aluminum UC Circuit Sheave with Torlon Ball Bearings, for halyards up to 3/4" diameter. Schaefer 120 series block has a 5000 lb. Safe Working Load. Universal Head may be locked in place or allowed to swivel, Bolt together construction allows easy disassembly for cleaning. For boats up to 75 feet. |
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