Threaded Front Handle Piece For CK-110, CK-110V, CK-9P, & CK-9PV Pencil TIG Torches. These torches use a 2-piece handle. Torches without a gas valve will also need the CK-110HR handle. Torches with a built-in gas valve will also need the CK-110HVR handle.
Inside Diameter: .625" (15.88mm)
Outside Diameter: 1.000" (25.4mm)