Pulley Block Designed For Wire Rope Max Cable Size 1/4 In. Working Load Limit 685 lb. Sheave Outside Dia 2-1/2 In. Sheave Inside Dia 2 In. Eye Hook Inside Dia 7/32 In. Sheave Width 7/16 In. Bearing Type Plain Mounting Hole Dia 3/16 In. Sheave Material Steel Finish Zinc Plated