GlideRite Hardware 1870-Z - 18-inch 100 Lb. Full Extension Ball Bearing Drawer Slides with 1" Over-travel One pair 100 Lb. GlideRite Hardware 70 Series full extension slides with 1" over-travel Side mounted, non handed design, positive stop, with common 32mm hole pattern Steel ball-bearing action slides that are remarkably smooth and quiet Lever disconnect for easy drawer removal Length: 18" (450mm) - Available in sizes: 10" to 28" (250mm to 700mm)