.Size:(1.5-6.5)+3.2+4.8mm

    or(1/16"-1/4")*1/64"

.material: hss

.shank: hex shank

.manufacture process:roll forged,half ground,fully ground

.surface color:bright finished,black finished,tin coated

         double color

.package:20sets/inner box, 2inner box per ctn