Diablo Multi-Material Carbide-Tipped Rotary Hammer Drill Bit Set (5-Piece) Brand_AccuSharp 8" hub diameter

8" hub diameter

just insert the pipe & the stainless steel teeth bite down & grip tight

releases a steady supply of water as your plants need it

also fits echo

Precision plunge tip for superior efficiency

Diablo Multi-Material Carbide-Tipped Rotary Hammer Drill Bit Set (5-Piece) Brand_AccuSharp 8" hub diameterCarbide tip withstands impact and high heat applications for superior life versus standard multi purpose hammer drill bits Multi Ground Grip Point Tip delivers stability and accuracy required for fast, precise holes Optimized flute design removes dust chip build up faster, keeping the carbide tip cooler for ultimate strength and durability Impact Strong increases shank stability and durability More holes per charge in cordless impact and drill drivers