2-in-1 Quick Conversion: Use this 40 in folding mechanic creeper as a laydown under car creeper or a Z-shaped rolling stool. Pull the locking pin to switch modes quickly for undercarriage checks, headlight repairs, and body panel work 450 lbs Steel Stability: The carbon steel frame supports up to 450 lbs and helps keep the creeper stable while you sit, lie down, or roll. The deformation-resistant structure is built for routine garage and shop repair tasks Smooth 6-Caster Movement: Six 360° swivel casters make it easier to roll under the vehicle and reposition during repairs. The rolling creeper stool moves flexibly around tires, brake areas, and narrow garage spaces 5 in Low-Profile Access: The 5 in creeper height helps you reach low clearance areas when the vehicle is lifted with a jack or ramp. It makes chassis inspection, oil changes, and underbody maintenance more accessible Comfortable Support: Built with a thick, soft headrest and high-resilience body cushion, this lay down or sit creepers comfortably support your head, back, and body during under-car repair. And the sweat-proof leather surface is easy to wipe clean after use