Its name says it all. The Kodiak is the ultimate backreamer for challenging conditions. Designed for extreme soils like rock, chunk rock and cobble, its spiraling flutes allow for cuttings and fluid to flow behind the reamer over the product. It also features an improved plate design and tapered tail end to better accommodate pushing back. The Kodiak is a great reamer for compacting and pushing chunk and cobble rock away from the bore path to make easier install of product.