Small institutional twin wheel caster. Made for light duty usage, the quality of the caster is quite acceptable. Smooth cover, the PP plastic is made thick and firm and very easy to roll. Can be used as spare parts for rolling chairs.
Superior than most of small China caster, nearly archive the same level with Japan ones. Sturdy rubber that is hard to break, hard to wear out by daily use. This is one of the most success product line of Phong Thanh.