SM90 Corner Rounder.

Unique "shear action." Upper and lower knives cut engraving material evenly and uniformly, producing sharp, crisp rounded corners for your signs, plaques and tags. Handles up to 1/8" thick material. Capable of cutting radii of 1/8", 1/4", 5/16", 3/8", 1/2", with standard radius cutting units that are interchangeable without use of tools or adjustments. Not suitable for phenolic or acrylics. Cutting units anr not included (see below).

Scott CR-90 Corner Rounder