2.75"(70mm) X3.15"(80mm) STAINLESS STEEL MACHINE VISE. 54HRC. Tolernces = 0.0002"(.005mm).
420 Stainless Steel (body), 304 Stainless Steel (screws and thread), Aluminium (handle), Bronze (threaded insert for smooth operation and eliminate binding of Stainless Steel threads).
Picture may not be of actual item. Picture is representative of the part family and its form/function.