Installed Length: 550 mm Extension Length: 559 mm features: Front disconnecting drawer runners, full extension For applications such as filing cabinets and desk drawers 45 kg carrying capacity Front disconnect (by depressing lever) for drawer removal Stay closed feature holds the closed drawer in These runners have a cam adjuster on the front which allows 3 mm adjustment on the drawer front Stock Finish - Bright zinc plated steel For Black and White Finish allow 3-4 days delivery