1/2 handle 12mm handle cabinet door double side R line chamfering knife $ 15.86 Ball diameter (mm)89 Cutting diameter (mm) 89 Maximum depth of cut25 Number of effective cutting edges around2 Function length (mm) 25 Shank formround Diameter of shank (mm) 12.7 Standard Imperial Useful length (mm) 25 Material cutter head YG6 alloy, cutter body 45# carbon steel, painted surface TypeForming cutter Number of slots 2 Blade length 25 (mm) Shank diameter 12.7 (mm) Full length 75 (mm) Whether coatingcoating