This slide is being phased out and replaced with the Fulterer FR 1921 18" Drawer Slide because of the longer, more adjustable rear mounting bracket. If you are side mounting, this slide will work fine.Hettich's epoxy coated White 18" drawer slides offer a self closing feature with roll-out prevention ensuring that drawers close automatically and precisely. The high grade powder coating combined with special rollers guarantees easy, quiet and uniform movement. The captive guide rail over the full drawer extension ensures excellent on-track precision. Available in White. Length: 18" (450mm) Extension Loss: 3.11" (79mm) Weight Capacity: 100 lbs. KCMA (45kg.) Installation Width: 1/2" (12.5mm) Priced per pair.