Spring-Loaded Block fits 1" Track, Aluminum Cheeks
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SCHAEFERSpring-Loaded Block fits 1" Track, Aluminum Cheeks


In stock online.
Model # 251918 | Mfg # 303-86UPC # 740507003486


Spring-Loaded Block fits 1" Track, Aluminum Cheeks

Name Value
Becket No Becket
Diameter 7/16 Inch or 11 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Mechanical Fasteners
Ratchet Non Ratcheting
Safe Working Load 1000 Pounds
Sheave Diameter 37 mm
Type Single Pivoting
Weight 4 Ounces

Product Overview

Captive liners allow blocks to glide along the track virtually without friction, yet they handle up to 3,500lb. of tension or compression load. They swivel 45° to each side of the track and their patented design prevents blocks from hitting the deck when sheets are flogging. For sails up to 715 sq. ft. and boats to 38'.

  • Bearings: Plain bearing
  • Shackle/Strap Type: 45° stand-up-spring shackle on T-Track slider
  • Configuration: Genoa lead block, 1" or 1-1/4" T-Track
  • Features: Lined low-friction slide with spring-loaded pin


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