Grinding wheels for polishing, 100x6x15mm, a set of 8 for efficient grinding work. Naniwa Abrasive Co., Ltd. Features: Demonstrates its ability in general grinding work of raw materials, etc. Applications: Deburring and bead removal of various metals such as general steel and carbon steel (raw materials) Dimensions: 100 x 6 x 15 Grit: 24C Hardness: Q Material: A - Quantity: Set of 8 Thank you for viewing.