Nylon All-in-one Drum Bung Spanner Pail Lid Wrench Opener Designed to fit into the bungs of all of the plastic twin bung / tighthead drums which are manufactured around the world. Spanner allows users to tighten or loosen the bungs in the top of plastic drums much easier It also has the capability of tightening or loosening 25 or 20 litre caps which fit onto the small screw top jerrycan containers. Packing 50PCS/CTN N.W/G.W 7.8/8.8KGS