Combination stepped key with 1/2 square drive, 5 different steps: 3/8"-7/16"-1/2"-3/4"-1", allows installation and removal of heating nipples, tank connections and short tap extensions

• Allows installation and removal of heating nipples, tank connections and short tap extensions
• Key has fittings from small to large, stepped along the length of the key, for different internal hexagon and internal lug valve sizes
• 5 different steps: 3/8"-7/16"-1/2"-3/4"-1"
• 1/2" ratchet 8195-R makes installations quick and easy
• Standards: ISO 1174/3120