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17pcs drill set has following drills in the box
drill bit size:(inch): 1/16",1/16",5/64",3/32",7/64",1/8",1/8",9/64",5/32",

                  11/64",3/16",13/64",7/32",15/64",1/4",5/16",3/8"

or (mm):1.5, 1.5, 2, 2.5, 3, 3.2, 3.2, 3.5, 4, 4.5, 5, 5 , 5.5,  6,  6.5,  8,  10mm

H1701-1 roll forged,black finished

H1701-2 edge ground,bright or black finished

H1701-3 edge ground,titanium coated

H1701-4 fully ground,bright or black finished

H1701-5 fully ground,titanium coated

H1701-6 fully ground ,cobalt drills,(Co5%)