The Pro SFB dartboard includes a high tensile steel round-wire and Cliple II wiring system for reduced deflections. This tournament specification dartboard features a CNC precision manufactured staple-free bullseye and consistent construction super dense sisal base which is built to last. The Pro FSB is exclusively endorsed by the British Darts Organisation and complies to World Darts Federation specifications. Other exclusive features include anti-glare number ring, game of darts booklet and checkout table. Features : ROUND WIRE SYSTEM High tensile durable steel wiring system for maximum game time Sport engineered staple free Bullseye for reduced reflection. Made to official world tournament specification. Built to last from millions of premium grade East African sisal fibers.