CrazyEve Leathercraft New Adjustable Edge Creaser Leather Craft Tool Material: wood+steel Length: About 7.8 inches Head width range: 0.05-0.85 inch Used to make crease along a borders, parallel lines for tooling and guide lines for punching lacing slits It adjusts easily and quickly with the screw in the tip from a fine line up to full about 0.85inch wide.