The 1 7/8" flighted auger kit includes a 1 7/8" standard tip and 1/2' gas drill adapter. The auger is 30" in length and drills a 2" hole - ideal for 2" bait stations.
The 2 1/2" flighted auger kit comes with a standard 2 1/2" tip and a 1/2" gas drill adapter. This kit is designed to install 3" bait stations.