The BJM Rebar Coupler is used for Rebar Mechanical Splicing in construction with high strength. Saving time and labor cost. Rebar Coupler (rebar mechanical splicing) Basic Information1.Diameter: 12mm-50mm2.Raw Material: 45# high-quality carbon structural steel.3.Type: Standard Type, Left-Handed&Right-Handed Type, Reducing Type.4.Suitable Rebar: HRB335,HRB400,HRB500 and Equivalent Rebars.5. ...