The Straight Edge provides a level of accuracy far greater than that of a conventional metal ruler

or 7 mm (6 mm for all undercut variations)

Strops made of top grain leather have uniform and flat surface

Any sharpening angle in a range 9° to 40°

📐Mechanical Angle Gauge

color glass blank for kme new-variants The Straight Edge provides aGlass blanks are used with lapping films for ultra fine sharpening on guided sharpening system. The glass bar is attached to a high quality aluminum blank. Glass is available in three tones (colors). PSA backed (pressure sensitive adhesive) lapping film is extremely easy to use. Simply peel off the paper backing and press it down on the blank. Avoid getting air bubbles between the film and the blank.