It does not include the Slide Rails. The last pictures are from the KRA380 the drawer was removed from and it may fit multiple models.
Snap-On KRA380 Roll Cab Locking Bar Mechanism w/Lock & 1 Key USA
Snap-on KRA380 Roll Cab Sliding Parts Tray 21.5'' Wide x 6'' Deep x 1'' High Red
Snap-on KRA380 Roll Cab Sliding Parts Tray 21.5'' Deep x 6'' Wide x 1'' High Red
Snap-On KRA380 Roll Cab Locking Bar Mechanism w/Lock & 1 Key 1983 USA
