Check the listing for details. 3M 33280 Double-Sided Quick Connect 9 in. Wool Compound Pad. Condition: New. Listed at 46.90 USD. Our 3M Wool Compounding Pads are built to deliver an aggressive cut for a smooth finish, ideal when compounding on paints, clears and composite surfaces. Our double-sided screw-on pads feature 100% 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 our Hookit attachment for quick change-outs. Features:Removes finishing abrasive sand scratches and other paint surface defectsDouble sided screw-on pads feature flexing action for reduced surface burn riskUntwisted wool yarn construction improves handling across large surface areasBlended or 100% wool abrasive delivers fast-cutting efficiencyWorks with 3M compounds and adapters for fast, consistent resultsDouble sidedUntwisted wool yarn construction improves handling across large surface areas