Irwin 10239 Step Drill Bit, Self-Starting, 1/2', Size In=7/8 & 1-1/8 HELLOFALL10 9 cc PureFite two-stroke engine

9 cc PureFite two-stroke engine meets emissions levels without sacrificing power

durable outside cover

bag covers up to 5

6 hooks accommodate multiple belts

White base

Irwin 10239 Step Drill Bit, Self-Starting, 1/2', Size In=7/8 & 1-1/8 HELLOFALL10 9 cc PureFite two-stroke engineHighlights: Size 7 8" & 1 1 8" Size KO=1 2 & 3 4 Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single flute cutting edge for greater control through steps Patented single flute cutting edge gives the user a true round hole every time 3 faltted shank prevents slipping in drill chuck New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Speed point tip