TCC-20M12 90 Degree Swivel & Tube Changeable Cross Clamp - 20mm diameters & M12 for fitting Tubes, H2-12-xx, H3, H4, H20, H89 H0 series Holders, Holder Angle Brackets, Holder Extension Brackets, Angle Arms, Elbow Arms, Gripper Arms, Elbow Gripper Arms, Spring Loaded Elbow Arms, Big Rotating & Non-rotating Suspensions, Big Sprue Grippers, Nipper Mounting Brackets (Reference Star : Suction Bracket)