Mechanic Seat, Tractor Seat w/ Cylinder Adjusts from 17 In. to 22 In., Load Capacity 480 lb., Length 16 In., Width 18-1/2 In., Height 17 to 22 In., Frame Material 18 gauge steel frame, Caster Size 3 In., Caster Type Plastic, Oil Resistant, Number of Wheels 4, Includes Tractor Seat w/ Hydraulic Adjustable Cylinder