RL10-45 Thread Type: 10-32 Thread, Racking Height: 78.75" H (45U Space) Features: -1600 lb. weight capacity.-1/8" (11-gauge) steel channels for strength.-Aluminum top angles for easy field-drilling.-Stabilizer gussets on feet.-10-32 & 12-24 threaded hardware available. Includes: -50 rack screws included. Options: -Optional cantilever support base available. Color/Finish: -Durable black powder coat finish. Assembly Instructions: -Self-aligning design speeds assembly.