Pulley Block, Designed For Wire Rope, Attachment Type Bolt On, Max. Cable Size 3/8 in, Sheave Outside Dia. 4 1/2 in, Sheave Inside Dia. 3 11/32 in, Sheave Width 19/32 in, Bearing Type Plain, Mounting Hole Dia. 9/32 in, Sheave Material Steel, Length 6 7/32 in, Width 1 21/32 in, Depth 1 21/32 in, Finish Electro-Galvanized