Feature●Made of F1730 Carbide: 92. 7 Hardness, 305, 000 Transverse rupture strength●Suitable for cutting dry and wet softwood, dry and wet hardwood●Knives size: 36mm length, 12mm height and 1. 5mm thickness●Knives supplied in 10-pcs caseDescription Knives for V-groove - folding - signmaking CNC router bit, sold in 10-pcs case. Knives size: 36mm length, 12mm height and 1. 5mm thickness.