3/8" (9.5mm) shaft
10.5mm (.41") square Nanograin Carbide Cutter with a 30 degree bevel, or optionally KD-150 slightly radiused, or KD-50 more radiused cutter.
overall length: 11" (comprised of 8" shaft + 3" tang)
overall weight: 1/2 lb
-4-40 x 5/16" screw
-hex wrench

The 3/8" (9.5mm) shafts are Grade 304 Stainless Steel with the corners machined to fit in a handle drilled to 1/2" x 3" (12.7m x 76.2mm) – the size of the tang – and CNC-machined to fit the individual Nanograin Carbide Cutter.
 
Options: KD-150, slight radius(150mm) cutter, KD-50 more radiused (50mm) cutter, with or without 8-1/2"L locally sourced and manufactured Maple handle with Brass ferrule