The Hole Hog by McGill Manufacturing makes installing a pitless adapter quick & easy. No more broken pilot bits and your hole saw will last for many installations. The hole will always be plumb and concentric with the casing. You will get a perfect, clean hole so the mechanical seal fits properly to prevent intrusion of all foreign & harmful containments. You may purchase the Hole Hog 4-8 at mcgillmfg.com
