nylon carpet casters on hardwood

{"cid":"91198834","title":"2 Inches Nylon Casters For Heavy Duty And Industrial Applications","imgUrl":"https:\/\/img.ismap.com\/nimg\/38\/4c\/2e509feba1b190eb06f33a6e9fea-200x200-1.jpg","attrs":{"Brand Name":"ylcaster","Model Number":"I003","Place of Origin":"China","Swivel Type":"Swivel","Wheel Diameter":"2 Inches","Application":"Hand Pallet Truck Etc","Bolt Hole Spacing":"95x95mm","Material":"Nylon","Wheel Material":"Nylon","Mounting Type":"Plate","Bearing Type":"Ball"}}

{"cid":"91220222","title":"Effortless Glide 50mm Office Chair Caster With Durable Card Test Insert","imgUrl":"https:\/\/img.ismap.com\/nimg\/ab\/5f\/5c6699cfa390dc9202222fc7def4-200x200-1.jpg","attrs":{"Price":"USD 0.69-0.83 Pieces","Brand Name":"Sendeline","Model Number":"A50-51B","Minimum Order Quantity":"50","Delivery Time":"5-8 work days","Place of Origin":"Foshan, Guangdong","Payment Terms":"L\/C, D\/P, T\/T","Supply Ability":"10,000 PCS, 15 work days","Packaging Details":"Carton, 200 PCS\/box","Wheel Diameter":"50mm","Color":"Gray Edge","Assembly":"Card Test Insert","Material":"PVC Electroplating","Name":"Office Chair Wheel","Use":"Office Chair, Computer Chair, Boss Chair, Medical Cart,PU Chair,","Features":"Mute,Uniform And Durable Compression Resistance"}}