What is the difference between a Kensington vs Noble lock slot?

What is the difference between a Kensington vs Noble lock slot? kensington slot Buy KENSINGTON Combination Laptop Lock K64673CN for Rs online KENSINGTON Combination Laptop Lock K64673CN at best prices with FREE shipping & cash on kensington nano security slot Designed for mobile devices less than 12mm thick, the new Kensington Mini Security Slot is the right of a rotating lock such as the Kensington T-bar lock,

kensington nano security slot Officially known as the Universal Notebook Security Cable, the locking slot for this cable is built into many notebook computers The cable is looped through

kensington security slot adapter kit Compatible with All Kensington Locks Metal Security Slot Includes Prep Pad and Permanent Adhesive Add the Security Slot Adapter Kit from Kensington to your Designed to fit the Kensington Nano Security Slot, the NanoSaver™ Combination Laptop Lock