Ratcheting Chain Wrench – 24" Ratcheting Chain Wrench – 24. Ratcheting action makes it possible to re-grip without removing wrench.. Handles parts of most any shape... round, square, hexagon, or octagon.. Handle is 24 long; chain grips objects ranging from 3 to 6-1/2 O.D. No. 6969 – Ratcheting chain wrench – 24. 6969 No -