IRWIN 10225 Unibit General Purpose Step Drill Bit Set Style:High Speed Steel BL Brushless motor delivers up

BL Brushless motor delivers up to 9

Pump is oil-lubricated for cooler running temperatures and reduced wear

it cleans and lubricates the carburetor and injectors and causes the fuel to burn more thoroughly for increased power and less fuel consumption

and you can store the hex wrench in the adjustable top handle so you wont be fumbling around for it

and 3/4 x 7/8 inch

IRWIN 10225 Unibit General Purpose Step Drill Bit Set Style:High Speed Steel BL Brushless motor delivers upFeatures: Single flute cutting edges for greater control through steps 3 flatted shanks prevents slipping in drill chuck Non skid self starting tips eliminate skidding and the need for center punching Sizes clearly laser etched to make precise drilling easy Set includes HSS #1, 2, 4, and 21 size step drills Details: The IRWIN Unibit High Speed Steel Step Drill Set features single flute cutting edges for greater control and more precise drilling. Three