Solid design, main body made of FC15, with heat treated black oxide finished steel jaws HRC 45-50. Front fixed prismatic jaw with cross V-grooves designed for clamping work piece firmly in both vertical and horizontal positions. A: 84mm, B:31mm, C:100mm (opening), D28.5mm, E:220mm, E1:343mm, F:13mm, G:78mm, H:63mm, I:102mm, J:200mm, L8mm, M36mm, Weight:5.7kg