These polishing discs are and , can use them . The radial bristles discs are perfect for getting into tight spaces and hard-to-reach areas, making them ideal for intricate work, such as jewelry making, wood , DIY project. Features -Color:Assorted Color -Material:Silicone, iron -Size:3.80X0.30X0.30cm/1.49X0.12X0.12in -Size:2.50X2.50X0.07cm/0.98X0.98X0.03in -Size:3.80X0.23X0.23cm/1.49X0.09X0.09in -Bristles discs are suitable for polishing various materials such , wood, plastic, and more. -Abrasive bristle disc is perfect for use in jewelry making, woodworking, wood , and other crafts. -Bristle discs are compatible with a wide range of power for versatile usage. -Polishing disc attain a smooth and polished finish on any surface with ease. -Abrasive bristle disc is designed to be and strong, ensuring repeated use. Package list: 5 x Abrasive Bristle Discs (80# ) 5 x Abrasive Bristle Discs (120#) 5 x Abrasive Bristle Discs (220#) 5 x Abrasive Bristle Discs (400#) 5 x Abrasive Bristle Discs (600#) 5 x Abrasive Bristle Discs (1000#) 5 x Abrasive Bristle Discs (2500#) 3 x connecting rods 2.35mm 3 x connecting rods 3.0mm