Check the listing for details. GRAINGER APPROVED 4GU26 Nonself-Piercing Saddle Valve,1/4 In 4GU26. Condition: New. Listed at 15.58 USD. Nonself-Piercing Saddle Valve, 1/4 in Tube O.D., Body Material Brass, Temp. Range -30 Degrees to 250 Degrees F, Max. Pressure 40 psi, Includes Brass Fittings, Application For Use on 1/2 or 3/4 in Galvanized Water Pipe to Provide a Water Supply for Humidifiers, Refrigerators, etc. Saddle Valves • Temp. range: -30 Degrees to 250 Degrees FProvide a water supply for humidifiers, refrigerators, automatic ice makers, and similar applications. Valves come complete with fittings for 1/4" O.D. copper tubing or 1/4" O.D. plastic tubing, brass tubing inserts, and instructions. Brass valve, stainless steel pin.Nonself-PiercingInstalled on 1/2" or 3/4" galvanized water pipe by drilling 1/4" hole in pipe, installing pilot tube, and tightening.