Material: Compositionwooden handle and metal needle. Sewing needle and waxed thread inside the wooden handle. Insert the hard metal strip into the upper metal side hole and pull it to open the lid. The punch includes an awl, a spool of high-tensile waxed thread (approx. 25 m), and 2 needles (1 straight and 1 curved). Allows you to quickly and easily sew any heavy material. Use a curved thread needle to sew in hard-to-reach seam spaces. Fine thread straight needle is for use with fine waxed thread for more delicate work. Needles can be changed and replaced easily. The needles are sharp, keep out of the reach of children. These needles make it easy for you to sew leather. Perfect for repairing tents, backpacks, sleeping bags, saddles, harnesses and much more.