The Bull Starts Here Dart Throw Line allows you to get properly aligned, eliminate distance guesswork and reduce foot fouls. Intended for causal and competitive dart players alike. Features premium print-pressed graphics and heavy-duty adhesive resin, allowing the floor marker to withstand high-traffic areas. Compatible with both sisal/bristle dartboards and electronic dartboards; An axis rectifier scale enables position players to adjust their stance with consistency. Quick and easy installation: just measure, peel, and stick. Measures 23.5″ L x 3.5″ W.