The
KA 3338 series of heavy duty locking drawer slides are commonly used for mobile applications such service utility truck beds, fire trucks, SWAT vehicles, expedition vehicles, tool boxes for truck beds, slide outs for recreational vehicle (RV) basements, trailers, yachts, and other applications that require the drawer stay secure.
They lock in the closed position and the fully extended position.
Hettich KA3338 Specifications 
(753kb PDF file)
- Lock-in and Lock-out functions with Front Release activator handle
- Highly visible handle, coated with a red safety finish, also easily identifiable by touch
- Spring loaded locking system ensures positive lock
- Precision ball bearings
- Cushioned in-stop for noise absorption
- Non-disconnect
- Steel ball cage for higher load and impact implications