Product Specification: 40" metal frame creeper; 3/4" steel tube frame “V” drop in shoulder area for comfort Heavy-duty plywood board Fully padded with heavy-duty vinyl & raised headrest for support Six 2-1/2" oil-resistant rollers swivel easily with full ball bearings 570 lb weight capacity Powder coated to resist rusting Overall dimensions: 17" x 40", 16 lbs. Ground clearance: 1-1/4"