Viper Dead-On Sisal DartboardCharge head first into the world of darts with the Viper Dead On Sisal Dartboard. This 17. 75 professional quality steel tip dart board is made with self healing sisal fibers to ensure a long life. The scoring segments are separated by a triangular steel spider wire and the inner bullseye is staple free to help you hit your target, reducing bounce outs and deflections. The Dead On steel tip dartboard also features a movable number ring, just detach