1.Type:cnc Engraving bits 2.Material: AF906(JAPEN) 3.Applications: Acrylic,PVC,PE,Nylon,Aluminum composite panel,cork wood,copper,aluminum,ferrum,stainless,steel 4.many size for you to choose,as follows. 5 good price and high quality, good service..... Item NO2T2ASHK(MM)OVL(MM)MJ-415010.115440MJ-415020.215440MJ-430010.130440MJ-430030.330440MJ-430040.430440MJ-430050.530440MJ-430101.030440MJ-445020.245440MJ-445040.445440MJ-445050.545440MJ-460020.260440MJ-460030.360440MJ-490020.290440MJ-630020.230640MJ-645020.245640MJ-645030.345640MJ-645050.545640MJ-660050.560640MJ-6120020.2120640