Tool Box Creeper Seat Creeper Seat Style Toolbox Creeper Seat Heavy-Duty Fixed Maximum Load Capacity 450 lb Seat Height 16 in Frame Material Steel Caster Wheel Diameter 3 in Caster Material Polyurethane Dimensions 18 7/8 in x 18 1/4 in x 14 1/8 in Height 18 1/4 in Number of Wheels 4 Overall Height 18 7/8 in Overall Length 18 1/4 in Overall Width 14 1/8 in