40 in Low-Profile Access: With a 5 in ground clearance and 40 in length, this mechanic creeper helps you slide under vehicles for chassis checks, wheel arch work, and brake maintenance while keeping your body supported 4 Large Wheels, Smoother Rolling: Equipped with 4pcs 5-inch large swivel casters, this under car rolling creeper moves flexibly in multiple directions. Whether sliding under the car, adjusting the repair position, or move around the garage easily Manual Brake for Stability: Turn the knob to raise or lower the foot pads and lock the garage creeper in place. The brake design helps prevent unwanted movement so you can focus on repairs with more confidence 400 lbs Steel Support: The carbon steel frame supports up to 400 lbs and helps resist deformation during lying, rolling, and repair work. It provides reliable support for routine automotive maintenance tasks Comfortable Support: High-resilience foam combined with a durable leather cover and raised headrest provides ergonomic support for your neck and back. Sweat-proof surface is easy to clean, keeping you comfortable during long repair sessions