The OTC 1734A Heavy-Duty Wheel Step provides quick, easy access to under-hood components. Fits heavy-duty vehicles (Class 7/8), installs in seconds, and has a non-skid platform surface. Vertical Step Adjustment Range: 2-1/4” to 11-1/2” from top of frame to step, in 2” increments. Tire Width Range: 9-1/2” to 14-1/4”, in 1-1/8” increments. Distance Between Rails: 27” Step Size: 7” x 29-1/4” Fits wheel sizes: 22-1/2" to 24" Capacity: 300 lbs Warranty: OTC Lifetime Marathon Warranty The Tabs Overview This product can expose you to chemicals including TITANIUM DIOXIDE, which is known to the State o