Bulls Christel Timmermans Darts - Steel Tip - 90% Tungsten - 25g. The Bullâs Christel Timmermans 90% darts are a premium collaboration with renowned dart influencer Christel Timmermans. Made from 90% tungsten, these darts feature a slim, short torpedo-shaped barrel ideal for precision and tight grouping. The design includes a ringed grip at the front and middle, with a smooth rear, making it perfect for front and middle grippers. Finished in blue and purple with laser-etched logos, the dart combines style and performance. It also includes Christelâs personalized âPlayer 100â flights. The front-weighted design offers great control, and the stylish finish reflects Christelâs unique flair.