Ditch the tape and use a throw line marker! Make sure everyone throws from the same distance by adding this throw line to your dart area. A toe line marker or throwing line should be marked on the floor and no stepping over the throw line is allowed. The regulation distance of the throwing line from the face of the dart board should be 7 feet 9.25 inches for steel tip boards and 8 feet for electronic boards. Product Features: Heavy duty vinyl construction Has "Axis Rectifier Scale" so you may adjust your stance with consistency Dimensions: 3.5" x 22". Heavy duty vinyl construction Axis rectifier scale markings to adjust your stance consistently Measures 23-1/2" by 3-1/2" Just peel and stick Regulation distance from face of dartboard is 7-feet 9-1/4-Inch for steel tip dartboards and 8-feet for electronic dartboards Additional Details ------------------------------ Package quantity: 1