... Europe,North America,Mideast, South East Asia so on ---Professional quality1.Designed to cut accurate holes in mechanical materials up ... tools, air tools, drill presses,lathed, boring milling machines and some other machines,which have rotating spindles.3.Material: M2 ... plastic case, blow case6.Size and packing: ZT CODE DIA mm DIA inch Qty/carton Bi metal hole saw High quality and professional