Viper Shot King Regulation Bristle Steel Tip Dartboard Set with Staple-Free Bullseye, Metal Radial Spider Wire, High-Grade Compressed Sisal Board with Rotating Number Ring, Includes 6 Steel Tip Darts Constructed from sisal bristle fibers compressed together, providing unsurpassed durability Features a staple-free bullseye which helps prevent bounce-outs; A movable number ring further extends the dartboard's life Viper Shot King is an official tournament size board, measuring 18" in diameter and 1.5" D Utilizes thin, rounded galvanized wires that allow darts to slide off the spider and land in the target area Includes 2 complete sets of steel tip darts (6 total) and mounting hardware; Dartboard accommodates both steel tip and soft tip darts Removable number ring allows you to rotate the dartboard, allowing the fibers to heal, and extending its life