Designed for Leg Press, Hack Squat and Calf Raise Heavy duty construction for exceptional stability Frictionless 8 needle bearing wheels to position the carriage's 4 sides, to ensure smooth moving and distribute weight evenly Both back pads utilize a flip-and-lock mechanism, easily converts from Leg Press to Hack Squat and Calf Raise. Both heavy gauge diamond plate foot platform is adjustable to multiple angles. Back pads contoured for lumber support. Under carriage plate load system capacity 400 KGS High quality dark and silver grey two color tone metallic powder coating