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5pcs hss drills:3,4,5,6,6.5mm
   or inch drills: 1/8",5/32",3/16",7/32",1/4"
 5pcs masonry drills: 3,4,5,6,8mm
                        or inch: 1/8", 5/32",3/16",1/4",5/16"
 4pcs 25mm "-" bits: 4,5,6,7mm
                        or inch: 5/32",3/16",1/4",9/32"
 4pcs 25mm"+" bits:  no.0, no.1, no.2, no.3
 2pcs 25mm "*" bits: no.1, no.2
2pcs 50mm "*" bits: no.1,  no.2
3pcs 50mm"+" bits: no.1,   no.2,  no.3
1pc bit holder
1pc counter sink