... set,PLASTIC BOX PACKG, SIZE:1.5-6.5MM OR 1/16"-14/". ALSO GOT 19PC SET (1-10mm), 25PC SET, 21PC SET ... 13PC HSS drill bit set,PLASTIC BOX PACKG,METRIC SIZE:(1.5-6.5*0.5MM+3.2mm+4.8mm) , 19PC ... ),OR INCH SIZE 13PC (1/16"-14/"*1/64"). 21PC SET ( 1/16"-3/8"*1/64" ), 29PC SET ( 1/16"-1/2"*1/64" )Material: hss4241 ... *45*33CM19/21PCS50sets22/19KGS62*30*41CM25/29PCS20sets21/18KGS62*34*24CM cobalt drill bit set