4 5 round tread medical equipment casters

{"cid":"91198834","title":"Stainless Steel Medical Equipment Casters With 4.5 Round Tread","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/a8\/fea48ad5fd43dd7b6639a20269af-200x200-1.jpg","attrs":{"Price":"$2.58","Brand Name":"Stainless steel casters","Model Number":"I008","Minimum Order Quantity":"10000","Delivery Time":"15-30","Place of Origin":"Guangdong, China","Packaging Details":"Carton","Payment Terms":"TT","Overall Height":"4.5 Inches","Capacity":"90-135kg","Tread Type":"Round Shape","Mounting":"Top Plate Type","Mounting Size":"75*32Inches","Load Capacity":"500 Lbs","Brake Type":"Total Lock","Bearing Type":"Ball Bearing X1"}}

{"cid":"91223353","title":"Solid round stem Elastic Thermoplastic Rubber Castor Wheel Medium Duty Twin Wheel Caster OEM ODM","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/d3\/f8141ec9f10d1d0a560e452976d1-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"Dajin","Model Number":"MC-001","Minimum Order Quantity":"Dajin","Delivery Time":"25","Certification":"RoHS\/CE\/ISO","Place of Origin":"China","Payment Terms":"T\/T,L\/C","Packaging Details":"10X10X10 cm","Product Name":"Twin Wheel Caster","Wheel Diameter":"100\/125 mm","Single Wheel Width":"20 mm","Bearing":"Single ball bearing","Mounting Type":"Threaded Stem with Total Brake","Threaded Stem Size":"28*45 mm","Load Capacity":"100\/150 kg","Customized support":"OEM, ODM, OBM"}}