The Milwaukee 49-36-2438 is designed to get the most out of your Milwaukee M12 polisher. It contains two backing pads, giving you more sanding time per purchase. The 49-36-2438 is compatible with the 2438-20 polisher, and gives the best results when used as such. Milwaukee quality is standard, giving you a well built and durable tool. Highlights: Get the most out of your Milwaukee M12 Polisher Contains 2 backing pads (2" and 3") Designed to work with the 2438-20 polisher Tech Specs Arbor Hole Size: No Arbor Hole Material: Wool, Foam, Plastic Attachment Method: Center Mount globalTradeItemNumber (GTIN): 00045242338238 Used With: Milwaukee 2438-20 Polisher/Sander Color / Finish: White, Yellow, Black UPC: 842724102307 Kit: Yes Recommended Safety Equipment: Safety Glasses Accessory Type: Polisher Product Name: M12 Polisher/Sander 5 Piece Accessory Pack Short Description: Accessory Pack Product Type: Accessory Pack Package Quantity: 5 Diameter (in): 3.0 Warranty: Contact the Mfr. Milwaukee 49-36-2438 includes: 1x 3" Polishing backing pad 1x 2" Sanding backing pad 1x Wool pad 1x Yellow foam pad 1x White foam pad