Features:<br> Heavy-Duty Construction: Made from thickened stainless steel with a galvanized-surface, ensuring superior durability and resistance to rust, wear, and heavy loads<br> Dual Bearing System: Features double bearings for smoothing, low-friction rotation, enhancing efficiency and longevity in lifting and sliding applications<br> Versatile Compatibility: Available in 40×40mm and 50×50mm sizes with three mounting options (Lifting Chain, Lifting Rings, Flat Tile), making it adaptable to various angle iron tracks and setups<br> Precision-V-Groove Design: The triangles steel V-groove ensures secure tracking and alignment on angle iron rails, reducing slippage and improving operational stability<br> Multi-Purpose Use: Ideal for cranes, lifting tools, sliding-gates, and other industrial or DIY projects requiring reliable, heavy-duty pulleys systems<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Specifications:<br> 50x50 angle iron pulleys (Lifting Chain type)<br> 40x40 angle iron pulleys (Lifting Chain type)<br> 40x40 angle iron pulleys (Lifting Rings type)<br> 50x50 angle iron pulleys (Lifting Rings type),<br> 50x50 angle iron pulleys (Flat Tile type)<br> 40x40 angle iron pulleys (Flat Tile type)<br> Size:<br> 18x14.5x2cm<br> 18.5x12.5x2cm<br> 12.5x12.5cm<br> 14.5x10.5cm<br> 13x9cm<br> 11x9cm<br> Package List:<br> 1X Cranes Bearing Wheel