Commutator Mica Zig-Zag Carbide Milling Cutter For Mica Under Cutter Machine As Per Kpa D Rg No.Er/Kpa/El-Tm.3He.2454 ,Item No-1,2,3,4 [Material Specification: Tungsten Carbide As Per Drawing. ( Copy Enclosed)]. [ Warranty Period: 30 Months After The Date Of Delivery ] ]