The adjustable groover leather tool makes stitch grooves in the leather. The groove in the leather allows the stitching to line up neatly. This leathercraft tool also creates decorative borders on belts and other leather products. A set screw allows you to adjust the blade in this leather craft tool so you can make grooves from 1/16 inch to 3/4 inch from the edge of the leather. Replacement Groover Blade is SLT-8075-00.