Features: Crafted from premium stainless steel, this 40 pack U clamp fastener set offer outstanding erosion resistance and durability, perfect for demanding industrial environments and long term reliability in woodworking, metalworking, and automotive applications. accuracy engineered U shaped designs maximizes surfaces contact for even pressure distribution, while its adjustable tension control securely grips objects of varying sizes without slippage or surfaces damage. Essential for professional contractors and enthusiasts, these heavy duty tightening tools serve mechanics, carpenter, and home workshop users seeking industrial fastening performances. Optimize workshop projects and automotive repairs with versatile clamping power that stabilizes pipes, panels, and materials during cutting, welding, or assembly processes. Compact yet robust construction features a space saving profile for effortless toolbox storage, ensuring quick deployment across multiple worksites or home improvement tasks. Specifications: Component : steel Height: about 0.21cm/0.08inch Package Includes: 40x chucks Tightener note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.