SCHAEFER Spring-Loaded Block fits 1" Track, Stainless Cheeks Product Type_Exit Plates All dimensions are center-to-center

All dimensions are center-to-center

Both models route the attachment line through the blockhead and sheave

and lightly loaded control lines on boats of all sizes

This 19mm double rivet head block is ideal in a wide range of systems that provide a 4:1 or better purchase

This is thanks to composite fiber-reinforced sideplates

SCHAEFER Spring-Loaded Block fits 1" Track, Stainless Cheeks Product Type_Exit Plates All dimensions are center-to-centerSchaefer Spring Loaded Block provides full rotation and articulation. Schaefer Stand up spring block for 1" T Track with Delrin sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider allows for effortless running. Polyethylene liner and pin stop allow for easy adjustment. Used extensively for sheet blocks on small to mid sized keelboats, and as control line blocks for larger offshore boats.