Craftmaster 5mm Diamond Point Stitching Chisel5mm Diamond Point Stitching Chisel. Available in 1, 2, 4, and 6 prongs, or the 4-Piece SetOverall Width (approximately) : 1 prong - 8mm (close to 5/16"), 2 prong - 11mm (close to 1/2"), 4 prong - 18mm (close to 3/4"), 6 prong - 29mm (close to 1-1/4")Overall Length (approx) : 95mm (close to 3-3/4")Tooth Length: 15mmTooth Thickness: 1.5mm at the bottom, tapering to 0.5mm at the topMaterial: High Strength SteelFinish: Smooth Brushed SteelSPI: 4 - SPI refers to completed stitches per inch; for example o-o-o-o-o in a 1" space would be 4 complete stitches.Stitch Length: 5mm (from center hole to center hole)Premium stitching chisels, each crafted from a solid piece of high-strength steel, and polished to a fine, brushed shine and ultra-smooth feel. Each tool is engraved with the size, for quick reference. Though incredibly strong, these high-caliber tools are lightweight and effortless to work with. The prongs are extremely sharp and have been precision tooled for making the perfect rhombus to give your stitches a sleek, professional look, even with heavy-weight leathers!We offer different purchasing options to fit your budget! You can buy these tools individually and gradually build your col(more...)Item # 5DPSC