Pneumatic wheel 400-8 size: 16 inch - 400 -8 lug pattern 2PR, 4PR steel rim with solid axle Pneumatic WheelModel: 4.00-8Good design ... of the pu part;3,Plastic rim and steel rim with many sizes, forms and colours;4,Bearings and bushes ... with many sizes like 1/2",5/8",3/4",1" ... quality;7,Competitive price;8,Good service. 400-8 pneumatic wheel