Irwin 10231 Self-Starting Step Drill Bit, #1 Detail Paper The dimmer in the light

The dimmer in the light adjusts for the perfect level of illumination

The micro pins fasten the smallest of decorative trim securely and leaves a nearly invisible hole

Milled and assembled in the USA

2" (180 x 75 x 30mm)

Aluminum floor & carpet trim

Irwin 10231 Self-Starting Step Drill Bit, #1 Detail Paper The dimmer in the lightHighlights: Drills 1 8" 1 2" holes in 1 32" increments Self starting Number of holes: 13 steps 1 4" shank (3 sided) Maximum material thickness: 1 8" Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel,