The Blade Champions Choice Dual Core dartboard is the ultimate professional level training dartboard. The double, trebles, 25 and bullseye are all 50% thinner than on a standard Blade 4, and each scoring segment features high visibility colours to facilitate accuracy. This dartboard includes fourth generation Blade wiring, and the Dual Core technology achieves lower compression at the outer core which reduces surface resistance below the surface, absorbing excess kinetic energy for improved durability. The pure sisal outer core has an uncompromised playing surface for perfect vision, increased scoring potential and easier alignment.The Dual Core advantage-Lower compression at the outer core reduces surface resistance and increases point penetration for fewer lost darts and higher scores. Half size scoring areas to create the ultimate training dartboard.