Irwin 15104 Step Drill Bit, 3/16"-7/8" BESTSELLERS Duct connector with built-in damper

Duct connector with built-in damper included

7-3/4" wide and 5-7/8" tall

Lightweight portable unit with built-in carrying handle

Green/White color

Irwin 15104 Step Drill Bit, 3/16"-7/8" BESTSELLERS Duct connector with built-in damperSelf starting bit features single flute cutting edge for greater control through steps; three flatted shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into stainless steel, copper, brass, aluminum, plastic, laminates and other thin materials up to 1 8" thick Highlights: Titanium 4 T Unibit Hole Size : 3 16" 7 8" # Of Hole Steps : 8 WARNING: Cancer and Reproductive Harm