Package Include: Package comes with totally 5pcs golden necklace column screw clasps. Sufficient quantity for you to create your jewelry crafts according to your own styles. Practical Function: These jewelry twist clasps fasten the ends of either a necklace or a bracelet together by screwing two pieces together to avoid losing your jewelry, that form a shape of a barrel. Excellent Quality: The screw clasps are made of high quality stainless steel, lightweight and not easy to rust, with smooth surface, durable and will not easily break, perfect for your project. Size Detail: The barrel screw clasps with size about 5 mm wide, 11.5 mm long; hole: 0.7~1 mm. Perfect size for you to use, fit for waxed cords, beading strings thinner than 1 mm. Tiny but strong end tips for diy jewelry making and repairing. Wide Application: These screw clasps are perfect for your homemade jewelry or repairing your existing jewelry or making necklaces, anklets, charm bracelets or any craft, fashion projects with ease.