[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) [Application]--- 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. [ Design]--- 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. [Convenient to Use]--- Each c clamp with an adjustable positioning screw,can easily clip to desktop/board up to the clamping. Easy to disassemble and install. [Material]--- Made of high-quality stainless steel,- and rust-proof,very strong and not easy to break., Weight: 4.27917250542 Pounds, Manufacturer: Reeatel