This C-clamp is designed for woodworkers, DIY,welders, and construction workers. It is suitable for universal clamping needs. And can be also used for assembly, fastening, bonding and welding in metal processing and automotive applications.Made of high-quality stainless steel,corrosion-resistant and rust-proof,very strong and not easy to break.C-clamp is made of heavy-duty Cast malleable steel frame with I-beam design provides sure strength;Clamp pad - floats in a low-resistance ball-and-socket joint to apply pressure evenly and prevents marring while turning the clamp screw.Each c clamp with an adjustable positioning screw,can easily clip to desktop/board up to the clamping. Easy to disassemble and install.[Size]--- Length x Width x Heightis: 38mm x 24mm x 30mm(1.5 inches x 1.0 inches x 1.2 inches) ; Opening is 30mm(1.2 inches), and the clamping range is 16 - 25mm(0.6inches - 1.0 inches)color:SilverMaterial:Stainless steelPackage Contents:8 x ClampOnly 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.