1style: 3007 (12,16,19MM round handle)
2style: 3006 (12,16,19MM hexagon handle)
Material: high carbon steel
Full length: 50 (mm)
Product alias: chamfering knife countersink drill woodworking hole opener
Surface treatment: blackening
Heat treatment: whole high frequency quenching, improve hardness
Scope of application: This product is suitable for chamfering of wood and plastic plates with low hardness. Do not use this product to chamfer metal!!!