Beam / fixed jaw made of bright drawn steel, moving jaw of forged steel, each hardened and electro galvanised. Smooth running steel spindle with trapezoidal thread, burnished. Movable pressure pad. Moving jaw with integralspindle locking prevents the releaseof the spindle even in case of vibrations. Maximum force transfer due topower gripwith handy Santoprene® surface and impact resistant PP core. Surface structure is anti-slip even with wet, oily hands.