Irwin Tools 3046005 Speedbor® Max Self Feed Wood Drill Bit, 1-1/8" SummerFun The cyclonic action spins dust

The cyclonic action spins dust and debris away from the filter keeping suction power strong

Scissors action of 1/2" (13 mm) wide cutter makes clean cuts with little effort

Repeat application 2 to 3 times at an interval of 7-10 days

It is big enough for one or two riders and it has four sturdy handles

Irwin Tools 3046005 Speedbor® Max Self Feed Wood Drill Bit, 1-1/8" SummerFun The cyclonic action spins dustIdeal for pipe & conduit systems. 3 times the cutting area & edges of standard self feed bits. For drilling large diameter holes in wood, aggressive screw pitch. Precision milled shank eliminates run out & wobble. Forged in 1 piece from high carbon steel for max strength under tough drilling conditions. Diameter: 1 1 8" Overall length: 5" Shank size: 7 16" Speedbor max self feed wood drill bit 3 times the cutting area & edges of standard self feed