The leather sewing dowels are made of high-quality durable metal, which is anti-corrosion, rust-proof and durable. Each leather stitching pin is carefully crafted. Its base is knurled and non-slip. Needles and rings are stainless steel and made of bar stock with a smooth exterior for easy removal Easy to use: just pull the base outward to remove or insert the retaining pin. (Do not take out the fixed pin by force, it will easily cause the solder joint between the ring and the pin to fall off) Uses: Leather suture positioning pins are used to fix sutures when making leather products by hand. With positioning function, each leather splicing positioning pin is carefully crafted. There's a brass protective tube with a pull-out end cap to keep fingers safe and hold everything in place. Specifications: long needle 18mm/0.7in, suitable for locking leather edges with a thickness of 6-12mm/2.4-4.8in / short needle 12mm/2.4-4.8in, suitable for locking 0- 6mm/0-2.4IN thick leather edge. / long needle 18mm/0.7in, suitable for locking leather edges with a thickness of 6-12mm/2.4-4.8in short needle 12mm/2.4-4.8in, suitable for locking 0- 6mm/0-2.4IN thick leather edge. Material: Metal colour: gold<br><br>Package Contents: 6 x Long Position Located Needles 6-12mm / 6 x Short Position Located Needles 0-6mm / 6 x Short Position Located Needles 0-6mm 6 x Long Position Located Needles 6-12mm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.