Specifications Specifications Heavy Duty steel constructionMeets or exceeds OSHA standards 29 CFR 1910.177Certified and burst tested at 157 PSI (10.8 bar)Dimension: 29” x 16 3/4”x52” (736 x 429 x 1321 mm)Max Tire: 48” OD x 15” W (1219 mm OD x 381 mm W)