{HEAD ~ The tooth} of this invention includes a beveled surface 37a and a hole 37c for mounting the tooth at a flat surface 37b which is {TAIL ~ the backside} of the tooth as it is in cutting position 
{ HEAD ~ The tooth } of this invention includes a beveled surface 37a and a hole 37c for mounting the tooth at a flat surface 37b which is { TAIL ~ the backside } of the tooth as it is in cutting position
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH