Features: High-quality material: This dart-weight is made of high-quality brass material, which is wear-resistant and corrosion-resistant, not easy to rust and break, and can be used for a long time, durable. Threaded: These dart-weight adjustment screws fit all threaded-darts. Uses: Suitable for hobbyists, you can increase the weight of darts- according to your preference. Great Gift: This dart-weight is a great gift for dart-lovers on Christmas, Thanksgiving, birthdays and other festivals. You can adjust the weight of-darts according to your own needs, so that you can be more accuracy when throwing-darts. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: Brass Size: 1.6*1.1cm Package List: 1/5/10 x Dart-Weight