3M Wool Compounding Pads are built to deliver an aggressive cut for a smooth finish ideal when compounding on paints clears and composite surfaces. Double sided screw on pads feature 100 percent untwisted wool yarn on a stiff central hub for a full cut and broader surface contact. Single sided pads feature a finer 60 40 wool blend and 3M Hookit attachment for quick change outs The Fast Cut of Wool with a Fine Finish For auto body compounding and buffing applications the 3M Wool Compounding Pads feature fast-cutting wool abrasive for attaining flawless finishes on clear coat paint and the latest composite surfaces. Whether 100 percent wool or our 60 40 wool blend abrasive these pads work effortlessly with 3M compounds and attachment systems for a variety of jobs including the removal of compound swirl marks and fine paint surface defects.