Threaded Rear Handle Piece For CK-110V and CK-9PV Pencil TIG Torches With Built-In Gas Valve. These torches use a 2-piece handle and will also require the CK-110F front handle piece.
Inside Diameter: .625" (15.88mm)
Outside Diameter: 1.000" (25.4mm)
This part number was changed from CK-110HVR by manufacturer.