When sewing, the tension on the thread remains the same: there is no tangled thread. Safety: The lock nut securely locks the needle on the awl. When sewing, they will not fall or loosen. High-quality needles: made of grade stainless steel that is resistant to rust and bending. High-quality yarn: braided three-strand thread, wax thread: super strong/helps to sew tough/dry leather or fabric. Basic easy-to-use tools can be used to: Hobby/Crafts cutting leather, canvas and cotton fabric Renovation and repair of home and commercial interiors, leather products, camping tents and equipment, sporting goods, sailing canvas, saddles, shoes, handbags, belts, awnings, pools, boats, car covers, backpacks, luggage, tarpaulins, binding Books and many more... Installation Notes: 1. Open with a set of wrenches 2. Open all parts 3. Turn the needle upside down into a wire 4. After pulling out the needle, pull out the wire. 5. According to the normal direction of the needle 6. Turn the thread into a hand sewing machine at this time 7. Tighten the screws with a wrench 8, complete 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: about 130mm long color: as pictured Quantity shipped: 1