Made of high qua stainless steel,super wear-resisting,strong and durable.< />Fit for 3mm-10mm wire rope,climbing rope or twine.< />Mute pulley,no noise,smooth and effortless.It can be mounted on wood,walls and metal.< />Each pulley is fitted with 4 self-tap screws and 4 yellow eansion sleeves .< />Suitable for home fitness and outdoor work.Can be used for shoulder arm exercise fitness equipment.< />Type: U Type Single Wheel Pulley Block< />Oall Height: 60mm< />Oall Base Size: 68x30mm< />U-Type Groove Depth: 6mm< />U-Type Groove :inner width:16mm,outer width:22mm< />Wheel Diameter: 48mm< />Attention: The own loadbea of the pulley is 800 pounds. But there will be a big difference depending on the material and angle used. Used on the wood at tical angle, the loadbea is about 200 pounds. It can withstand 800 pounds at a 45 degree angle on a concrete wall. < />colour:sil< />Material: steel< />Package included:< />1 x U-Type Single Wheel Pulley Block< />Only the above package content, other produc are not included.< />Note: Light ing 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.