HERE IS LINK TO LENOVO WEBSITE 

https://www.lenovo.com/us/en/p/accessories-and-software/tiny-accessories/tiny-brackets/4xh0n04098?orgRef=https%253A%252F%252Fwww.google.com%252F

SORRY NO RETURNS ON SEALED ITEMS 

NO RETURNS FOR COMPATIBILITY ISSUES 

SALE IS FOR TEN FACTORY SEALED UNITS