Made of high-quality stainless steel, super wear-resistant, strong and durable. Fit for 3mm-10mm wire rope, climbing rope, or twine. Mute pulley, no noise, smooth and effortless operation. Can be mounted on wood, walls, and metal surfaces. Each pulley comes with 4 self-tapping screws and 4 yellow expansion sleeves. Suitable for home fitness and outdoor applications. Can be used for shoulder and arm exercise fitness equipment. Size Name: V-Type Type: V Type Single Wheel Pulley Block Overall Height: 60mm Overall Base Size: 68x30mm V-Type Groove Depth: 6mm V-Type Groove Inner Width: 16mm, Outer Width: 22mm Wheel Diameter: 48mm Attention: The pulley has a load capacity of 800 pounds. Actual load capacity may vary depending on mounting material and angle. When installed vertically on wood, the load capacity is approximately 200 pounds. It can support up to 800 pounds at a 45-degree angle on a concrete wall. Color: Silver Material: Steel Package Included: 3 x V-Type Single Pulley Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3cm.