Size 3

Used for drilling holes in CR-39 and other resin lenses, and for setting stones in frames and lenses. Swiss made of tungsten vanadium steel. Shank is 3/32" (2.35 mm) and approx. 1-3/4" (44 mm) long. Sold in pack of 6

Size 3

ISO No. 014

OD Diameter MM 1.40