Why the Right Garbage Disposal Installation Tool Makes All the Difference A garbage disposal installation tool is a small, low-cost device that lets one person install a garbage disposal unit without help. Here's a quick overview of what you need to know: Top garbage disposal installation tools at a glance: Tool Best For Price Range Danco 12076 Solo DIY installation (hook, lift, lock) $9 - $17 DisposaLift Lift and twist mounting varies Bayonet Deluxe Kit Plumbing drain connec