Durable: High-strength single wheel pulley made of qualified steel and nylon, heavy-duty, rust-proof, wear-resistant and corrosion-resistant. Fitness: High load capacity, 300 kg, strong and sustainable. Handmade fitness equipment, no noise, save effort, economical. Portable: Lifting and lifting pulley system provides cable machine function and save your home space. Its small packing size allows you to take it with you and transport it easily. Suitable for: This crane swivel hook is designed for indoor and outdoor use, the flexible pulley with large capacity is suitable for a wide range of applications. Applicable scenarios: It can be installed on walls, floors, ceilings, beams. Fitness: Handmade fitness equipment, no noise, effortless and economical. Large load capacity: 300 kg, strong and durable. Applicable scenarios: It can be installed on walls, floors, ceilings, beams. Sheaths: Heavy-duty nylon pulleys with double bearings. Home and gym : Can be used for home fitness or outdoor work. Tip: The installation place should be solid cement surface, aluminum alloy surface and aluminum alloy surface. wood cannot be installed. Features: Material: steel pulley frame/nylon pulley/stainless steel shaft screw. Color: Dark Grey. Nylon Sheath Size (Approx): 50 x 10 x 20mm (Diameter x Groove Width x Groove Depth x Wheel Width). Approximate dimensions of the steel pulley: 110 x 30 x 65 x 50mm (length x width x inside length). Hole diameter (approx): 10mm. Contents: 1 pulley. Note: 1. Due to the lighting and individual monitor settings, the item's color may be slightly different from the pictures. 2. As the measurements are taken by hand, the dimensions indicated may vary by 1 to 2 cm.