Crafted from 304 stainless steel for superior rusts resistance and good in all your clamping needs Ensures maximums strength and stability, while the 30mm wide jaw opening provide a firmly grip for precisions work in metalworking and woodworking Clamp with adjustable positioning screws, which can be adjusted according to needs, can be easily clamped on any desktop and wood strips, with strong clamping force and easy to use With adjustable positioning screws, the screws can be adjusted as need, which is simple and convenient to use C clamps are powerful and multifunction, and can fix parts for assembly, fastening, and welding Widely used in furniture manufacturing, metalworking and home ,automotive applications, this metal C clamps can ensures that everything is in the right place, Manufacturer: PENCHEAK