Our 3" Pad Kit is a great combination of pads put together for the perfect headlight kit or a great kit just or those hard to reach places. First you have the 30G 3" Wool Pad great for heavy compounding and the removal of scratches, oxidation, or contaminents. This wool pad would be used with a compound to remove the oxidation or sanding marks on your headlights. The second pad is the 330G Yellow Foam Cut/ Polish pad made of a softer but still course foam allowing you to still clean light scratches and inperfections off your surfaces. This medium cut & polish pad would be used with your glaze for your headlight helping to remove any last swirls or fine scratches and polish a shine back to your headlights. The third pad is the last pad in the kit its the 320G 3" Black Finishing designed with a super soft foam made for final polishes, sealants, and waxes. When repairing headlights this would be your final step pad when you are applying the sealant to seal in and protect the newly cleaned surface on your headlights. After the pad in our kit is a 3" packing plate designed to fit all the pads in the kit and has a 5/8x11 thread forany standard size buffer. Along with the backing pad is 2 adaptors one for adding it to the porter cable orbital and one for adding it to a drill. All of these ammenities in this pad kit allows you to use almost any tool and do almost any job.