TCC-12M12 90 Swivel & Tube Changeable Cross Clamp : Clamping 12mm and M12 diameter Tube and 90 degree swivel. For Example clamping 12mm as follow : 12mm tube, H8-12-05~30, H9-12-05~30 Holders, AA-1250, AA-12150 Angle Arms, EA-1275/85/95/105 Elbow Arms, EGA-1275/85/95/105 Elbow Gripper Arms

For Example clamping M12x1.0 as follow : M12 tube, H2-12-05~30, H89-12/W, H20-12/W, H3-12-40/50, H4-20-30/40/50, H0-8/20-BF7/BF8 Holders, RCG-1225/1275, GA-1250/12100 Holder Bracket