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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Ronstan Stand Up Spring Blocks |
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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Ronstan Stand Up Spring Blocks |
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Ronstan Stand Up Spring Blocks Stand Up Swivel Blocks on Springs are designed to be mounted to the Deck; Blocks swivel 360°, tilt in all directions and are supported by a heavy gauge SS spring to prevent contact with the Deck when not under load. Commonly used at the base of the Mast for turning Halyards and Reef lines, sometimes a mainsheet, and especially on the foredeck for the Foreguy. See also: Stand Up Spring Blocks, Schaefer Stand Up Spring Blocks, and Halyard Lead Blocks. For Stand Up Swivel Blocks not listed here, please contact us with complete information,
including Manufacturer's part number or a sketch or photo of the item(s) with
dimensions.
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| Stand Up Swivel Block w/ 2" Ball-Bearing Sheave: RF 1276X: | |
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Ronstan Stand Up Swivel Block on Spring with 2" Ball-Bearing Sheave for use with up to 1/2" line.
Unit is 4 1/2" tall, Diamond-shaped plastic Base Pad is (maximum) 3" long x 2" wide,
and attaches to deck with (4) 3/16" (#10) RH screws on 2 3/16" x 1 1/4" centers. 2450+
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| Stand Up Swivel Becket Block w/ 2 3/8" Delrin Sheave: RF 872BX: | |
| Ronstan Stand Up Swivel Becket Block on Spring with 2 3/8" Delrin Sheave for use with up to 5/8" line. Unit is 6" tall (including Becket), Diamond-shaped plastic Base Pad is (maximum) 3 11/16" long x 2 3/8" wide, and attaches to deck with (4) 1/4" RH screws on 2 3/4" x 1 1/2" centers. Special as used on Island Packet. 9608045 |
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