Features: Multipurpose function: Effective for sanding, polishing, surface conditioning or preparation, sanding primer, paint removal, and more. This die grinder kit not only caters to a wide range of needs, but is also an excellent addition to any toolkit, making it the ideal choice for both professionals and DIY enthusiasts. Metal plated: The disc pad holder included in this set is metal plated steel, which is particularly resistant to rust. This gives you the confidence that your surfaces will stay smooth and your tools will remain away from rust related breakage. Specifications: Material: metal Color: black, silver Size: Disc pad holder: about 2 and 3 inches Shanks: about 1/4 inches Package includes: 9 X 2 Inch disc pad holder 3 X 3 Inch disc pad holder 6 x Round shanks 6 x Hex shanks Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.