Reinforced alloy steel frame with an H-shaped base supports up to 400 lbs for steady, secure use. 3mm thickened steel legs and anti-slip foot pads help keep the creeper stable during engine work, transmission repairs, and more. Black coated finish helps resist rust and wipes clean easily. Equipped with 4" 360° swivel casters with sealed bearings for smooth movement on concrete and shop floors. Dual-lock brakes secure both rolling and positioning to help prevent unwanted shifting while you work. Slim 24" width fits tighter garage spaces. Adjust height from 45 to 66 inches to match different vehicles and working positions. Backrest angle adjusts up to 30° to improve access and comfort for longer repair sessions. Features a 2" high-density foam pad with waterproof, oil-resistant PVC cover for easy cleanup. Widened 12.4" x 18" cushion helps reduce pressure and fatigue during extended maintenance tasks.