Straight Line Top Valve 1/4 In 5/16 In & 3/8 In OD

Robinair's tube piercing valves give you quick, clean access to a system under pressure without using any special tools. You can save time because there's no need to depressurize the system. Made of top quality, forged brass with hardened steel piercing needles for clean access. Can be used on copper, aluminum, or thin-walled brass where an air, liquid or gas flow tap is required.Fits : 1/4 In OD 5/16 In OD 3/8 In OD Robinair 40472 Straight Line Top Valves