The Prather Cutter Tool is made specifically for cue-makers, to be used on tasks such as cutting tenons, etc..
Currently available in two sizes.
Approx. 3/8" x 3/8" x 3"
Approx. 1/4" x 1/4" x 3"
See Product & How-To Video Here:
https://prathercue.com/products/cutter-tool?variant=20048422928442...