This is a Bung Wrench for a Barrel Bung Hole Tool. It is made of High Density Poly Ethylene. On one end there is a Four-way Drum and on the other there is a Gas / Hex / Plug Wrench. Made of High Density Polyethylene. Combo Bung Wrench This Poly Bung Wrench Is Light Weight, Made Of Non-sparking And Durable Polyethylene Material. 10" Long Will Open Most Standard Bung Caps On Plastic And Steel Drums. -Fits most barrels and drums on the market today. For example on most 55, 30 & 15 gallon drums there is a larger 2" bung and a smaller 3/4" bung. -This tool will open both bungs. -Choose Color: Royal Blue, Yellow, Orange, Black, Hot Pink, or a Custom Color(Minimum Purchase of 600 is required for a custom color).