Feature: These clasps are in oval shape, the classic screw knob design has a compact look and shiny texture that is easy to screw together to make jewellery more unique. Package Include: You will receive 6pcs screw clasps in gold, about 12mm long, 5mm wide, hole: 0.7mm, which are well packaged in a plastic box, convenient to store and use. Quality Material: The necklace screw clasps are made of high quality stainless steel, durable and stable, lightweight and easy to screw, safe and reliable to use, long time for you to use. 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. Wide Usage: These necklace screw clasps can be widely applied for DIY homemade jewelry, jewelry making, repairing necklaces, bracelets, anklets, and more craft projects.