They are positioned in each corner of the diamond. The batter running must touch each base before scoring a run at the home plate. The bases are often made of a white rubbery material or a white canvas that must be fastened securely to the ground. Each base must measure 18 inches on ...
The white line-markings that mark the areas of the court also have standard thicknesses. The centre service line and centre mark should be 2 inches (5 cm) wide. The other lines of the court must be between 1 inch (2.5 cm) and 2 inches (5 cm) wide, except the baseline that may be...
Private stairways shall be a minimum of thirty-six inches wide. Trim and handrails may not encroach into this minimum width by more than 3 1/2 inches. The maximum rise of each step is eight inches; the minimum rise is four inches. The minimum run is nine inches. The largest tread wid...