You're looking at a brand new Craft Sha 3mm (distance between the edge of the prongs) single prong stitching punch that's an excellent way to ensure your stitching is smooth and even (the size measures the width between holes for multi prong pricking irons, this single prong pricking iron is compatible with Craft-Sha irons of the same size).
The blade of this single prong Pricking Iron is the same as that of other 3mm Craft Sha Pricking Irons that make five holes per inch or two and a half holes per centimetre. Recommended for Rucksack, saddles, jackets and harnesses or similar applications where wide rugged stitching is required.
This high quality tool is used to punch holes in a precise diamond shape that is optimal for stitching leather. Perfect for corner holes or punching holes at custom spacing ensuring even stitching when a multi-prong pricking iron will leave excessive space at the end of a stitching line. This high carbon steel tool is made in Japan to the highest standard and will last a lifetime.
Please note always use a soft headed hammer (never metal) and tap it into your leather work gently, when removing, always pull it out of your leatherwork straight, never shift it side to side to loosen it or this could snap the prongs. Avoid using leather that is so thick it makes removal difficult. If you work with leather that is thick enough to make removal difficult then a wider pricking iron is recommended.
Please note the size is compatible with other 3mm Craft Sha Pricking Irons, 6mm Seiwa / Kyoshin Elle Stitching Punches and nippers, or other five holes per inch diamond hole pricking irons only.