... : 1. Material: #45 solid carbon steel with highest quality 2.Used to splice bars with dia 16-40 mm Rebar Coupler (right, left ... , right & left, reducer)1. Adopt #45 high quality carbon steel(ASTM:1045), produced with ... able to splice rebars of G rades HRB335 and HRB400 with diameter 16mm--40mm3. High splice strength, which could exert 100 ...