Fulterer FR 5400, heavy duty drawer slides full extension and 550 lb. weight capacity.

Fulterer FR 5400,
heavy duty drawer slides full extension and
550 lb. weight capacity for the 18 inch length. These drawer slides are ideal architectural millwork and commercial applications where a heavy capacity is needed. The drawer rails are made from cold rolled zinc plated steel and have precision stainless steel ball bearings.
Fulterer FR 5400 Specifications 
(1 mb PDF file)