Scopenext drum bung wrench dw40 – aluminum – non-sparking multi-function non-sparking aluminum drum bung wrench is for use on 3/4 20mm and 2 50mm drum and barrel bungs. The extended offset handle increases force that can be applied to open stubborn bungs and the offset design gives a clear area to get a gloved hand on the wrench. The lightweight aluminum material is non-sparking and tough and this economical wrench can be used in quarter turns in restricted space.