Schaefer M Series Low Lead Mast Collar Block 3.2 in (82 mm) Dia. Sheave
(Original Price: $ 452.20)
M82-20 Single Block. Computer machined block finished in hardcoat anodized black for durability. Torlon(tm) rollers and Delrin(tm) ball bearings ensure a low-friction aluminum sheave that will handle high loads. Mounts to 14 mm collar post diameter. Flushing holes in each cheek allow easy flushing.
Clevis pin is 5/16 in (8 mm), Length 4-15/16 in (126 mm), Width 3-7/32 in (82 mm), Thickness 1-1/8 in (28 mm), Weight 8.8 oz (249 g), Safe Working Load 3000 lb (1360 kg).