Sanding drum kit is multifunction and practical for using in woodworking, crafts, DIY, nail art and more. It's applicable to wood, plastic, metal, marble, stone, , jade and more kinds of material. Excellentaccessory for most power rotary tool! Features: Made of high quality material, sturdy and durable for long-term use. The set contains 45 pieces of 240/150/80 grit sand band and 6 pieces of mandrel in 3 different sizes (1/2"-240 grit, 3/8"-150 grit, 1/4"-80 grit). Compatible with electric grinder for meeting various needs, suitable for rust removal, grinding, polishing, etc. Applicable to wood, plastic, metal, marble, stone, , jade and more kinds of material. Multifunction and practical tool for woodworking, crafts, DIY, nail art, etc. Note:Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding. Specifications: Color: Black & Red Main Material: Sand Paper Grit: 240 grit, 150 grit, 80 grit Sanding Band: 1/2", 3/8", 1/4" Mandrel: 1/2", 3/8", 1/4" Package Size: 20 * 15 * 3cm / 7.87 * 5.91 * 1.18in Package Weight: 71g / 2.49oz Package List: 45 * Sanding Band 6 * Mandrel Note: 1/2": 240 grit 3/8": 150 grit 1/4": 80 grit