Easi Plumb Drain Cleaning Rod Set 12 Piece is designed to clear obstructions from standard 100mm underground drainage pipes. The set includes ten flexible polypropylene rods that can reach a total length of 9 metres when fully assembled. It comes complete with a 100mm rubber plunger and a 50mm double worm screw, featuring rustproof crimped and pinned connectors for maximum strength and durability.