Shank Diameter = 11/64 (4.36mm) - Tool Length = 6-1/2 inches (165mm)
The 'Quarter-Round' is designed for better chip removal. It works well on stainless, acrylic, profiling soft material and to cut out ADA applique. These tools come with a cutter knob.
Industry standards recommend that you use:
80° included for engraving stainless and most metals.
60° included for engraving plastics.
The Included angle is always 2x's the side angle.