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Schaefer M-Series blocks feature Torlon™ Rollers, Delrin™ Ball Bearings and Machined Aluminum Construction for a strong, light, easy on the eyes block.
Schaefer Blocks Series 12 (102 mm) contain powerful 4" (102mm) sheaves to handle the loads generated by large offshore yachts.
Schaefer Blocks Series 3 (37 mm)are strong high-quality metal construction. Built to take the punishment associated with running rigging mounted on the deck or spars. Excellent for use on small cruisers, daysailors and high-performance racing dinghies.
Schaefer Blocks Stand Up with aluminum cheeks. Delrin™ sheave ensures smooth operation and high safe working load.