What is the difference between a Kensington and Dell security cable?

What is the difference between a Kensington and Dell security cable? security lock slot Security cable, slim pivoting head, with key lock master key compatible, in steel, for Wedge© slot · anti theft cable for laptop security cable slot The Kensington slot is the 3 x 7 mm opening on the housing On many devices this opening is marked with a lock symbol Because of the small design of the lock,

security cable slot Security cable, slim pivoting head, with key lock master key compatible, in steel, for Wedge© slot · anti theft cable for laptop

security slot The Kensington security slot is the Specific to DELL computers, the Wedge security slot is smaller than the Kensington The Keyed Laptop Lock secures notebooks against theft* This lock is compatible with any device featuring a security connection Simply secure the