http://www.hvpalindustrie.com/....heavy-duty-drawer-sl
HA5333 locking heavy duty slides height 53mm full extension 3 sections tool box drawer slides
locking full extension drawer runner. Place the slide there. A lever or lock must be pulled in order to move the slide. Without removing the device from its casing, parts can be serviced by using a lock-out function. A latch must be engaged in order for drawers to open due to a lock-in function.