Carbide grinding wheel reamer handle motorcycle valve diamond grinding wheel car engine valve seat repair. 15 degrees, 30 degrees, 45 degrees, 55 degrees, 60 degrees, 65 degrees. 70 degrees, 75 degrees, 90 degrees. Toolbar Specifications; 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 8.5mm, 9mm. The product does not have a box, thank you.