Need more depth? Add 16 inches.This extender increases the digging depth of compatible Power Planter Heavy Duty augers.What You'll Use It ForAdd 16" of reach to your Heavy Duty auger setup. Deeper post holes Tree and shrub installs Irrigation runs Situations where standard auger length isn't enough Compatible with: Tree Auger & Planting Tool (2" x 54") 4" x 28" – Heavy Duty 5" x 28" – Heavy Duty 7" x 28" – Heavy Duty 8" x 28" – Heavy Duty 9" x 28" – Heavy Duty This product works only with the models listed above.Why Lazy Leaf Loves ItSometimes the hole needs to go deeper. Instead of buying a longer auger, just add more length.Product DetailsFit & Compatibility For Power Planter 4"–9" Heavy Duty augers and 2" x 54" Tree Auger only Not compatible with standard (non-heavy-duty) augers Adapter may be required for certain hex-head drill connections Construction Heavy-duty steel Designed for high-torque digging applications What's IncludedOne 16" Heavy Duty Auger ExtenderAuger and drill not included.