Creeper, 6 In. No-Matic Wheeks Roll Easily, Load Capacity 600 lb. , Length 40 In. , Width 26 In. , Height 8-3/4 In. , Frame Material 18 gauge steel frame, Padded Headrest, Caster Size 6 In. , Caster Type Pneumatic, Oil Resistant, Number of Wheels 4, Includes 40 In. Creeper w/ 6 In. No-Matic Wheels and V-drop