High grade 3-piece bevel knife $ 5.68 Ball head diameter: (mm) 25 Center minimum cutting diameter (mm): 25 Maximum cutting depth: 25 Effective cutting edge number: 2 Function length (mm): 25 Handle form: round System: British system Useful length (mm): 25 Material: cemented carbide Type: side milling cutter Number of slots: 2 Blade length: 25 (mm) Blade diameter: 15 (mm) Stem diameter: 12.7 (mm) Total length: 62 (mm)