Malleable cast iron screw clamp with a clamping width of 300mm and an arm length of 140mm. Suitable for wood size 35x9mm. This safety clamp features anti-slip protection in the sliding part, clamping arms made of high-quality malleable cast iron, and blue powder-coated cast parts. It includes a galvanized hollow profile rail that is triple ribbed on both sides, a movable steel pressure plate, and a trapezoidal threaded spindle. The ergonomic ash wood handle is equipped with a plastic protective cap and a plastic ring, ensuring high-quality industrial performance.