Vertex Quick Set Vice 3 Inch. Special design for quick clamping. 81mm jaw. 34mm jaw height. 85mm opening. Precision cut acme thread produces max. 700kg of clamping force. A:81mm, B:34mm, C (Max):85mm, D:36mm, E:230mm, E1:374mm, F:12mm, G:5mm, H:70mm, I:51mm, I1:128mm, J:82mm, K:230mm, M:50mm.