Includes Compression Springs And Balls Required For Repairing / Rebuilding The Clutch Gears,  The Usual Culprit That Causes The Drill Bits And Core Bits To Get Stuck And Make A Ratching SoundS. 

I Have Reconditioned Many Gears Over The Years Using This  Effective Tool And This Can Be Done Using A Small Arbor Press To Take The Gear Assembly Apart And Vice To Re-Assemble Them To Function As New. 

 I Will Include The Tool & Instructions AND The Box Of Parts.  You WILL Regain Your Investment In Just A Couple Rebuilds. . . .  And. . .