Fluted- and Kodiak Reamer are perfect suitable for compact grounds, soft rock, sandstone, gravel hard clay.We deliver our Reamers with integrated swivels from 5to. - 40to.Fluted Reamer are produced in the back with a Konus. Therefore, a push back is possible.!!!On customer request, Fluted- and Kodiak-Reamer are also available with 40to, 50to … Swivel!!!