The Thunderbay B33 Powerhead features heat treated gears at a 47:1 gear ratio so you cut fast, but NEVER bog down. The two man shelter has extra heavy duty fiberglass rods that are solid, not hollow! The shelter features 300 denier fabric with a superior black out coating that keeps the light outside! The package comes with six ice anchors, shelter carry bag, 33cc powerhead, 8 inch auger, and ice blade cover.