The 201 Series from Accuride is a small form-factor slide that carries a hefty 108 lbs per pair! They're commonly used in display stands, workstations, or medical equipment. They feature a 3/4 extension and non-disconnect. A 3/4 extension slide only extends three quarters of the rail length. In other words, an 18" slide will only allow the drawer to extend 13.5 inches.
Check out our blog post on Drawer Slide Tips for some helpful hints too!