A Screw Crease marks out a fine line along the edge of belts, straps etc. The width can be altered by adjusting the screw.
This Screw Crease Leather Tool is handmade in Sheffield. Established in 1836 George Barnsley have been hand making tools for the leather and shoe industry for over 150 years. All the tools combine quality, craftsmanship and functional design and can be purchased online exclusively at Diamond Awl.