21 Inch Soft Close Undermount Drawer Slides, Full Extension, 100 Lb… Fast Ship
✅ CRITICAL: 5/8″ MAX SIDE BOARD THICKNESS These undermount slides are EXCLUSIVELY designed for drawer side boards with a thickness of 5/8″ (16mm) or less (suitable for 1/2″ to 5/8″). If your drawer side panels are 3/4″ thick, these slides will NOT fit and the locking devices will not engage.