From Amazon
StarTech.com Secure Tablet Stand w/ K-Slot Cable Lock - Locking Tablet Holder for 7.9"-13" Tablets - Universal Adjustable Tablet Mount for Desk/Surface - Lockable Anti-Theft Security Mount (SECTBLTDT)
BuyKingston
StarTech.com Secure Tablet Stand w/ K-Slot Cable Lock - Locking Tablet Holder for 7.9"-13" Tablets - Universal Adjustable Tablet Mount for Desk/Surface - Lockable Anti-Theft Security Mount
This product is also available at 2 unverified merchants.