Tools Set: You will receive 4 Sewing Sets, including 1 Pen, 1 Column, 1 Pin, 1 Needle, and 1 waterproof cloth bag, which is enough for your daily need Durable Materials: These tools are made of high-quality stainless steel, durable and sturdy to use, not easy to break or rust, light in weight, not injuring hands, and not fading, and can be reused for a long time Detachable Tools: Our tool is a practical knotter tool that is suitable for unraveling knots. The upper and lower ends are detachable, and can store umbrella shaped needles. It is waterproof, lightweight, and easy to carry Size: Pen: about 350mm long, pen: 170x15mm, 1pc;Column: about 78x5mm, hole: 3mm, 1pc;Pin: about 69x3mm, hole: 1x16.5mm, 1pc;Needle: about 78x3mm, hole: 1.5mm, 1pc,It can meet all your needs Application: Our products can adapt to most of your shoelaces, ropes, or other materials and requirements. They can be used for bracelets and leather weaving, as well as other DIY crafts and accessories