1,Fit for all types of office chairs 2,Can be widely used in lots kinds of chairs 3,Chair caster had been past BIFMA testing chair casterItem NO: HYL-061,Color: Metal white2,Material: Alloy3,Pin size:11x22mm4,Wheel Diameter:50mm5,Packing: 200 pcs / carton6,Packing size:52x31x28cm7,Specification:Meet BIFMA StandardThis chair caster performance on carpet or hard floors Function:Fit for all types of ...