Type: U Type Single Wheel Pulley BlockOverall Height: 60mmOverall Base Size: 68x30mmU-Type Groove Depth: 6mmU-Type Groove :inner width:16mm,outer width:22mmWheel Diameter: 48mmAttention: The own loadbearing of the pulley is 800 pounds. But there be a depending on the material and angle used. Used on the wood at vertical angle, the loadbearing is about 200 pounds. It can withstand 800 pounds at a 45 degree angle on a concrete wall.colour:silverMaterial: steelPackage included1 x U-Type Single Wheel Pulley BlockOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.