IRWIN Unibit SP-10231 Step Drill Bit #1, 1/8" to 1/2" x32 subcategory_fiber-stri 2 x AA batteries

2 x AA batteries

cable outer diameter: 15

Includes (3) 12F splice chip

The center core of the roll has a male/female Velcro patch attached

4 precision slitting grooves and four ring grooves

IRWIN Unibit SP-10231 Step Drill Bit #1, 1/8" to 1/2" x32 subcategory_fiber-stri 2 x AA batteriesIRWIN Unibit SP 10231 Step Drill Bit #1, 1 8" to 1 2" x32 The IRWIN Unibit SP 10231 Step Drill Bit #1 (1 8" 1 2" diameter in 1 32" increments) is designed to drill perfectly round holes in thin materials with less effort than other bits. It also drills through wood, composition board plus plexiglass and plastics that often crack with conventional bits. The high speed steel fractional self starting drill bit will cut steps of progressively larger