Ruedas giratorias de 4 pulgadas, juego de 4 ruedas, ruedas de alta resistencia con freno 2200 libras,
[STURDY HEAVY DUTY CASTER: SAVING STRENGTH] These casters set of 4 heavy duty are with rock-solid construction, which is made from premium thickened steel housing, thickened top plate and each plate caster has double support bearings.