The Ridgid Power Spin drain cleaner features automatic cable feeding. It ensures no mess, hands don't touch the cable. It can be used manually, via the turn handle or with a variable speed chuck drill machine for extra power (up to 500rpm) with easy feed cable, squeeze the trigger and the cable feeds and retracts automatically as the drum turns. The patented AUTOFEED® trigger and MAXCORE® cable power through clogs fast. Equipped with 6.3mm x 7.6m cable with straight auger.Clears up to 40mm lines.