This pack contains 30 copper stopper crimp beads measuring about 3.2 mm with an approximately 1.0 mm hole, and they are lead free and nickel free, suitable for 24 gauge jewelry wire. Hypoallergenic copper base spacer locks are designed for secure positioning and clean finishing of bracelet and necklace ends. Easy to use crimp stopper beads fasten by pressing, removing the need for knots or ties in jewelry making projects. These jewelry making components are ideal for bracelets, necklaces, beading projects, wire wrapping, and DIY jewelry repair and customization. This set contains 30 copper stopper crimp beads measuring approximately 3.2 mm with a 1.0 mm hole, designed to fit 24 gauge jewelry wire and made with lead free and nickel free materials. The hypoallergenic copper base allows these spacer locks to securely position beads and neatly finish bracelet and necklace ends. Simple press style fastening eliminates the need for knots or ties, making jewelry assembly faster and cleaner. Suitable for bracelets, necklaces, wire wrapping, beading projects, and DIY jewelry repair or customization, these crimp beads support a wide range of jewelry making applications.