Use the UNI stepped key set for installing and removing heating nipples, tank connections and short tap extensions.
• Versatile use: Cam, internal hexagonal and 12-edged driver, size 3/8", 1/2", 3/4", 1" and other intermediate sizes
• Special stepped key design: No canting of nipples and screw connections
• Combination key: for installation and removal of heating nipples, tank connections and short tap extensions
