Wisdom Gage Fishtail ROCK BITS • For solid and fracturable rock, compacted soils, frozen ground, asphalt and concrete. • Cast steel boring head. • Single flighting with replaceable teeth. • 4' overall length with 2" hex collar input. • Standard with factory installed Rotating Bullet Teeth and a CDR Rock Pilot. AUGER EXTENSIONS FEV24VEV48 MODEL WEIGHT DESCRIPTION FEV24 34 24" Fixed Extension, 2" HexVEV48 56 48" Variable Extension, 2" HexAUGER ADAPTERSAHRV ARHV MODEL WEIGHT DESCRIPTION AHRV 21 2" Hex Female to 2 9/16" (O.D.) Round MaleARHV 13 2 9/16" Round Female to 2" (O.D.) Male Specifications and designs are subject to change without notice.