Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin.
Schaefer offers the widest range of products for building block and tackle systems. Help organize your lines and lower the stress in your cockpit with our low-profile, high strength Deck Organizers.