Rugged construction and smooth operation: The single pulley block design is robust and easily handles heavy loads, making it a reliable choice for a variety of applications. The lifting single pulley has a wheel mechanism to pull and lift the wire rope easily and smoothly. 316 stainless steel and heavy duty capacity: The single block is crafted from high-quality 316 stainless steel to the life and rust resistance of the single block. Load blocks are designed to support large amounts of weight, perfect for lifting products and securing wire ropes both outdoors and indoors. Flexible sliding is easy to use. The single block allows for flexible sliding along the rope, providing versatility for use. The user-friendly design ensures that even people without professional experience can easily operate the lifting block. Rope compatibility: The lifting rope pulley block is compatible with all kinds of ropes, wires and cables with diameters from 0.08 to 0.32 inches, including wire ropes, cables and flexible ropes. Efficiency wheel: Rope pulley sets are equipped with a smooth rolling wheel that reduces friction, making them ideal for both indoor and outdoor use. The single pulley set can withstand all weather conditions, making it suitable for home and gym use. Specifications: 4 pcs Colour:Silver Material:316 Stainless Steel Package Contents: 4 x pulley Only the above package content, other products are not included. Note: Light reflection 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.