Features:  
High-Quality Iron Carbon Steel Material: The Ball Transfer Unit Are Constructed Of Steel And Iron For Sturdy, Rustproof, Anti-Corrosion, Wear Resistant And Long Service Life. They Will Not Easy To Wear Out And Can Be Used For Long-Term.  
Great Valued Pack: A Total Of 10pcs Roller Ball Transfer Bearing Casters With A Diameter Of 16mm.They Are Lightweight Yet Sturdy To Work In An Efficient Way.  
Wear Resistance And Rust Resistance: 304 Stainless Steel Material, Can Play In A Humid Environment Rust  
Hard Without Deformation: Integrated Molding, High Hardness And Toughness, Complex Production Process  
Slide Flexible: 360° Flexible Rotation, Transport Goods Quickly, Save More Time  
Practical And Versatile: These Transfer Roller Ball Bearings Are Very Practical And Widely Applicable To Industrial Applications Such As Factories And Warehouses. Non-Industrial Use: Airport Luggage Transfer, Store Merchandise Display, DIY Projects, Etc.  
  
Specifications:  
Color: Silver White  
Material: Iron Carbon Steel  
Size: 49 X 21 X 32mm
  
Package Includes:  
10 X Ball Transfer Bearing  
  
Note:   
1. If The Things You Need To Bear Need To Slide On The Ground. If So, The Bearing Capacity Of Four Wheels Can Only Be Calculated As The Sum Of The Loads Of Three Wheels, Because There Are Always Times When The Road Surface Is Uneven, The Forces On The Four Wheels Cannot Be Uniform.  
2. Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.