Specifications include, but are not limited to: 2.1. Range Lane Markers 1 x 1 2.1.1.1'X1' even numbers are white on a black background, odd number are black on white background. Numbers are 9” high. 2.1.2.Forty-Eight (48) – Markers for lanes 1-16 (three of each) 2.1.3.Five (5) – Markers for lanes 1-5 2.1.4.Forty-Eight (48) – Markers for lanes 1-8 (six of each) 2.1.5.Forty-Eight (48) – Markers for lanes 1-8 (six of each) 2.2. Range lane markers 2 x 2 2.2.1.2’X2’ even numbers are white on a black background; odd number are black on white background. Numbers are 20” high. 2.2.2.Seventy-Two (72) Markers for lanes 1-16 (4 of each) 2.2.3.Twenty (20) Markers for lanes 1-5 (4 each) 2.3. Range Lane Markers 4 x 4 2.3.1.4’X4’ even numbers are white on a black background; odd number are black on white background. Numbers are 40” high. 2.3.2. Forty (40) – Markers for lanes 1-5 (8 of each) 2.3.3.Twelve (12) – Markers for lanes 1-2 (6 of each)