Made of metal and sanding wheel material with maximum corrosion resistance and durability, the sanding bit high performance. The unique design of these bits, excellent for sanding intricate shapes and details, great for grinding, polishing, deburring. Features -Color:Pink -Material:Grinding wheel, metal -Size:4.30X0.60X0.60cm/1.69X0.24X0.24in -Size:4.70X0.85X0.85cm/1.85X0.33X0.33in -Size:4.80X1.00X1.00cm/1.89X0.39X0.39in - Made from metal and sanding wheel materials, these bits are durable and , ensuring that they can withstand extended use. - With different shapes and sizes, these sanding bits can be used for sanding, grinding, deburring, polishing, etc. - The grinding stone is uniformly grained, sharper and more durable, with good wear resistance, can be used for a long time. - These sanding drill bits are easy to attach to rotary tools, making them an excellent choice for DIYers and professionals. - Rotary tool sanding drill bits can be used with a range of materials, including wood, plastic, metal, and more. Package list: 15 x sanding drill bits 6mm 15 x sanding drill bits 8.5mm 15 x sanding drill bits 10mm