The Vermeer 4.5″ (11.4 cm) fluted reamer is tough, reliable and ready to get your horizontal directional drilling job done for you. ✔Shark teeth create aggressive cutting action. ✔1.625″ (4.1 cm) hex pin x eye. ✔Robust throughshaft design and heat-treated, cast-alloy steel for durability. ✔Robotically applied, carbide mesh grit hardfacing adds longevity. ✔Ideal HDD tooling for rugged ground conditions ranging from hard pan and soft rock to cobble.