Automatic
Automatically locks when no force is placed on the puller tab.
Pin Lock
Pins on the puller tab works on the elements and lock.
Semi Automatic
When the puller tab is lowered, it locks. When the puller tab is raised, it unlocks.
Reverse
Lock used in semi-invisible and invisible reverse nylon zippers.
Flat Lock
The front part of the slide is flat and thin, with an automatic spring system.
Reversible
The puller tab moves along a rail. The zipper opens and closes on both side.
Non Lock
The puller tab does not lock at any position of the slider.
Wing Lock
The lock is in the shoulders of the slider body when the zipper is pulled forcefully downward.
Matress NL
NL slider does not use puller tab.