Schaefer Sailing Sail Track, 75-05-72" Sail Repair_Accessories 16 mm sheaves are Delrin

16 mm sheaves are Delrin and feature stainless ball bearings that ride in a grooved race

followed by the narrow axis (B)

5") and 51 mm (2") wire blocks feature sideload balls between the sheave and the side plate to minimize friction from unfair leads

Diamond pad eyes are measured on the long axis (A)

letting the user apply less force with fewer wraps to achieve comparable winch force

Schaefer Sailing Sail Track, 75-05-72" Sail Repair_Accessories 16 mm sheaves are DelrinSchaefer sail track is a roll formed from precision cut strip stock. Constructed of type 304 Stainless Steel. Used on masts and booms for high strength sail leads.