'Pneumatic Wheel, Caster Load Rating Range Light-Duty, Sawtooth Tread, Tire Sidewall No. 2.80/2.50-4, Load Rating 220 lb., Wheel Dia. 8 In., Wheel Width 2-39/64 In., Symmetrical Hub Type, Fits Axle Dia. 1/2 In., Hub Length 3 In., Hub Color Silver, Tread Color Black, Ball Wheel Bearings, Hub Material Steel, Bore Dia. 1/2 In., 4 Ply, Tire Rim Dia. 4-1/2 In., Tire Thickness 2-1/2 In., Frame Finish Powder Coated, Application Hand Trucks and Cart Casters, For Use With Hand Trucks and Cart Casters'