Product Information Description Measuring Guide Other Details 1 snapper is required for 2 drawers.Mounts to side of cabinet. Timberline Locks - How To Door Swing – Left Hand Or Right Hand? Choosing the Right Door Stop Single Cylinder Or Double Cylinder Need It Fast? We Can Help See Our International Shipping Options Request A Quote Today Timberline Anti-Tip Interlock System Snapper is required per two drawers to prevent tipping of the cabinet. The snapper must be used in conjunction with Timberline Anti-Tip Interlock System Drawer Clip.