Product Specification: 40" metal frame creeper with adjustable headrest 3/4" steel tube frame Headrest adjusts to multiple positions “V” drop in shoulder area for comfort Heavy-duty plywood board Fully padded with heavy-duty vinyl Six 2-1/2" oil-resistant rollers swivel easily 570 lb weight capacity Powder coated to resist rusting Overall dimensions: 17" x 40", 18 lbs. Ground clearance: 1-1/4"