Sturdy Material: Made of high quality 304 stainless steel, the surface is electroplated and polished, corrosion and rust resistant, bright color, very sturdy and not easy to break. Easy to install: the opening is an M8 threaded hole, with an adjustable positioning screw, 30mm opening, it can be easily fixed on any desktop, and the direction of the clamp can be adjusted according to your needs. Applicable size: length of the C-clamp 34mm, width 24mm, opening 30mm, clamping range 16-25mm. Convenient Design: This C-shaped clamp is made of heavy cast iron and forged steel. The top/side/bottom of the C-shaped bracket is equipped with M8 threaded holes, which further improves the stability of the clamp and provides reliable strength. Various Uses: This C-clamp is specially designed for woodworkers , welders and construction workers. It is suitable for general clamping needs and is used for joining, fastening, bonding and welding in metal processing and automotive applications.