21pcs hss drill set

21pcs hss drill set,

size:(1-10)*0.5mm+3.2MM+4.2MM

drill can be:
                    fully ground,half ground,roll fored
drill color:
                   bright,black,coffee,rain bow,titanium coated,double color
drill material:
                   M35,M2,W9,W4,F4
drill point angle: 
                    118,130,135,multifork