The General Tools and Instruments 809 Chisel and Plane Blade Sharpener is intended for honing high-quality tools back to their factory tolerances. The guide features graduated settings, allowing you to achieve a proper 30 degree angle on a variety of blades types. The spring clamp will hold blades up to 2-5/8-Inch wide.
From the Manufacturer
Chisel/plane blade sharpener has spring clamp that locks in blades up to 2-5/8" wide. It is made of high impact fiberglass reinforced Lexan. Folds for storage. This tool allows you to use stones or emery paper and use for any bevel.