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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Stand Up Spring Blocks |
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Spars, Rigging, and Hardware for SailboatsRig-Rite, Inc. |
Stand Up Spring Blocks |
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Stand Up Spring Blocks Stand Up Swivel Blocks on Springs are designed to be mounted to the Deck; Most 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: Halyard Lead Blocks, and other Blocks. Rig-Rite stocks a large selection of Stand Up Swivel Blocks from a variety of manufacturers, some are listed on this page. Some are listed separately by manufacturer:
Ronstan Stand Up Spring
Blocks For Stand Up Swivel Blocks not listed, 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 Block w/ 1 1/8" Delrin Ball-Bearing Sheave: NF 1074: |
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Nicro-Fico Stand Up Block with Eyestrap on Spring has 1 1/8" Ball-Bearing Sheave for use with up to 5/16" line. Unit is 2 1/2" tall, Eyestrap attaches to deck with (2) 5/32" (#8) RH screws on 1 1/8" centers. Commonly used as a Furling Line lead on smaller boats.
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Stand Up Swivel Block w/ 2" Delrin Sheave: NF 981:
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Stand Up Swivel Block w/ 2 3/8" Aluminum Sheave: NF 1139A: |
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