Material:Steel Material:45# Carbon Steel or 40Cr Type:Standard, Tapered, Position, Reducing, Upset forging, weldable, Outer Diameter:30-70mm Thickness:5-12mm Length:120-240mm Bensile Strength:>640MP Tensile Strength:100% Bar break Color:Black Product name:Rebar Hydraulic Quick Coupler with Hydraulic Crimping Machine