Specification Brand : GalaxyElec BulletPoint1 : Delivery time: 7-18 days by special line for USA , 8-25 days by regular post for Worldwide,If it is not received within the specified time, please contact us and we will refund you in full. BulletPoint2 : If you need the product urgently, you can choose expedited service. We will use DHL to serve you. Delivery time: 3-7 days. BulletPoint3 : We are a professional distributor of electronic products.. Just search keywords in our store. BulletPoint4 : Please note that the products are only offered by the brand: GalaxyElec. Other sales people is not reliable. BulletPoint5 : any question,please feel free to contact me. ExternallyAssignedProductIdentifier : 5302611336437 ItemName : 10pcs/lot Mini Vacuum Steel Ball Universal Wheel 2 Wheel UNO Smart car Chassis Nylon mBot N20 ItemTypeKeyword : robot-parts Manufacturer : GalaxyElec Material : Steel PartNumber : GEmoduleo_11648 ProductSiteLaunchDate : 2019-10-10T09:27:24.168Z UnspscCode : 39120000