Brad Young,Tech Expert with Kronotex USA, explains and demonstrates the various locking systems used on Kronotex USA laminate flooring planks. Kronotex USA uses four different locking systems or profiles to make installation of its laminate floor products easy and secure. Brad explains the precision used to make the profiles and demonstrates 5G, Express Clic, Angle-to-Angle, and Clic2Clic systems. This is a must see before you begin your installation for helpful tips and advice.