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Schaefer Spring Loaded Slider Block

SKU# 303-72
Check Delivery Time

Schaefer Spring Loaded Slider Block may require an additional to 2 days to ship.


Rigging Shoppe ships to Canada only. ALL prices listed on this website in Canadian dollars.

Shipping within 24 hours if possible. Delivery usually 2 - 5 business days in Canada.

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Learn about our complete shipping policy here.


  • Allow jib and genoa sheets to be sheeted at any angle, up to 45° to either side of the track
  • 360° block rotation
  • Heavy duty stand-up spring fully supports the block under all conditions
  • Unique captive polyethylene liner on 1" and 1-1/4" models reduces sliding friction


  • Safe Working Load:1,000 lbs.
  • Fits Track:3/4" T-Track
  • Sheave Diameter:1-7/16"
  • Boat Length:Up to 20'
  • Type:Aluminum
  • Max. Line:7/16"
  • Length: 2-1/3"
  • Width: 31/32"
  • Height: 3-17/32"