Premium Quality Structure: The jaw of the bench vise is made of 45# steel. After high-frequency quenching, the wear resistance of the jaw is improved and the service life is prolonged. The vise body is HT250 high-quality cast iron forging with good toughness, high strength, and durability. Powerful Clamping Force: Vise guide surfaces are finely polished and smooth. When clamping the workpiece, the movement is stable, the positioning is accurate. Jaw Width: 4' / 10 cm, Jaw Opening: 4' / 10 cm. The clamping force can reach up to 19 kN, which is suitable for different sizes of goods. High Accuracy Screw: The closed design protects the screw rod and prevents the entry of iron pins and other debris, convenient for maintenance and cleaning. Our screw is of high quality and is not easily damaged. The parallelism and perpendicularity are accurate to 0.002'. Humanized Design: Our vises are detachable and can be replaced quickly