CUESOUL Dart Throw Line Measures 5.90 inch wide by 23.6 inch long Using 3M film surface, durable for foot threading and foot abrading With reverse viscose to attach it in place, moving without any trace Just peel and stick, can be used repeatly Regulation distance from face of dartboard is 7-feet 9-1/4-Inch for steel tip dartboards and 8-feet for electronic dartboards