CHENGYIDA Leathercraft Professional Punch Leathercraft Chisel Nippers - 4 Chisel , 4mm Spacing Teeth: 4 teeth Size: 2x4mm(tooth width 2mm, 4mm spacing) Total length of 17cm, maximum jaw opening of about 10mm Material: Steel You're looking at a high quality pricking iron nippers. An easy and efficient way to punch diamond shaped stitching holes in your leather work. No need for an awl! Save large amounts of time with these solid pricking iron nippers compared to a standard pricking iron. No more noisy and arduous pounding with the diamond punch or pricking iron! No more runaway overstitch wheels spoiling your leatherwork! No more uneven stitching on the reverse side! Just perfect, easy to sew holes!