High strength, solid, single block for exercising at home, cable machine, built by yourself Technical data: Item Type: Pulley Block Material: stainless steel nylon Weight: about 268 g/9,5 oz Product Size: Approx. 100x30x65mm/3,9x1,2x2,6 inch Pulley groove depth: approx. 10mm/0,4 inch, width: approx. 10mm/0.4 inch Center screw hole in pulley frame: Approx. 10mm/0.4 inch Maximum load: 300 kg/661,4 lbs List of packages: 1 x Pulley Block Characteristics: 1. Smooth-sliding, high-quality nylon groove design does not cause any noise. 2. The soft rollers provide excellent rope grip and withstand a maximum load of 300 kg/661,4 lbs. 3, it can be installed on wood, wall and metal, suitable for exercising at home or working outdoors. 4. For a wide range of applications, rotary pulleys can be used in pulley systems with internal or external ropes. 5. The high-strength single-wheeled pulley block is made of qualified stainless steel and nylon, which is durable, resistant to rust, wear and corrosion.