Hook Up Kit. For Connecting Water-Cooled TIG Torches to TIG Power Supplies with a Threaded Stud Connection. Includes (2ea.) 12.5' (3.8m) Water-In and Out Hoses, (1ea.) 12.5' (3.8m) Gas Hose, (2ea.) Water Coupler (1/4" NPT Male to 5/8" x 18 Left Hand Female), (1ea.) Gas Hose Coupler and 45V11 Power Cable Adapter.