Strong plastic handle with spring wire and corkscrew auger probe. 9mm dia steel wire. Clears debris and fab residue from sink drains, traps and waste pipes. Can also be used to unblock other household pipes. Strong plastic handle with spring wire and corkscrew auger probe. 9mm dia steel wire. Clears debris and fab residue from sink drains, traps and waste pipes. Can also be used to unblock other household pipes.