②Positive locking：
Dual Lock fasteners engage/fasten with an audible snap and detectable movement assuring complete and secure closure.
③Blind attachment：
Dual Lock fasteners can be attached on the backside of substrate(i.e. trim piece) where it will not interrupt the show surface.
④Ease of assembly：
Dual Lock fasteners can be used to attach components before they enter the final assembly plant, reducing the number of parts and the assembly time. No tools are required.
⑤Adjustable strength：
By selecting different combinations of the various stem densities of the Dual Lock the fastener can be designed to meet the strentgh needs of the designer.
