1. Environmentally friendly and healthy material, durable 2. Fine polishing, sharp edge, wear-resistant, suitable for processing woodworking projects 3. 10mm is suitable for 100 type angle grinder, 14mm is suitable for 115 type and 125 type angle grinder 4. Material: chrome vanadium alloy steel 5. Dimensions: 10.9 x 4.6 x 4.6cm 6. Weight: about 457g