For mounting on the KAT® horizontal rack arm to provide 5” (127mm) of vertical adjustment, 360° torch rotation and two directional tilt. Supplied complete with standard 1 1/8” (29mm) I.D. swivel clamp and insulated linkage for the gun holder which is suitable for most semi-automatic welding guns. Gun holder jaws are adjustable from 5/8” (16mm) to 1 1/2” (38mm).