C-CLIP SIZE - 32mm length, 24mm width, 30mm height, 30mm opening. There is an M8 threaded hole. The clamping distance is 0-25mm. PREMIUM MATERIAL - The clamp is made of high quality 304 stainless steel. Compared with ordinary stainless steel, synthetic steel has stronger oxidation resistance, wear resistance and toughness, and is not easy to break, scratch and deform. So when planing, sanding finer materials, gluing and welding, the item won't move and you can get the job done. EASY TO USE - C-shaped wood clamp, with adjustable positioning screws, direction can be adjusted as needed and easily fixed on any desk. This C-clamp rotates downward through the C-clamp screw and applies pressure, can fix and clamp multiple wooden boards or metal workpieces. WIDE APPLICATION - This heavy duty 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 fabrication and automotive applications. Multiple fixing clips are very necessary for complex work aids, becoming a good helper for woodworking enthusiasts. SMALL, EASY TO CARRY, DOES NOT TAKE UP SPACE. Easy to operate, it is a good helper for your work. It is recommended to purchase multiple C-clamps at a time to cover a variety of workpiece fixing and clamping needs. Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.