Features 1.Smooth sliding, high‑quality nylon groove design will not produce any noise. 2.The soft rollers provide excellent rope traction and can withstand a maximum load of 300kg/661.4lb. 3.It can be installed on wood, wall and metal, suitable for home fitness or outdoor work. 4.For a wide range of applications, rotating pulleys can be used in pulley systems with indoor or outdoor ropes. 5.High‑strength single‑wheel pulley block is made of qualified stainless steel and nylon, which is durable, rust‑proof, wear‑resistant and corrosion‑resistant. Specification Item Type: Pulley Block Material: Stainless Steel + Nylon Weight: Approx.268g/9.5oz Product Size: Approx. 100x30x65mm/3.9x1.2x2.6in Pulley Groove Depth: Approx. 10mm/0.4in, Width: Approx. 10mm/0.4in Pulley Frame Screw Hole Center: Approx. 10mm/0.4in Maximum Load: 300kg/661.4lb Package List 1 x Pulley Block