Irwin Speedbor MAX 3-Piece Auger Bit Set Roppe Slotted holes for adjustment

Slotted holes for adjustment

Base design and cam ring secure work for accurate cuts

All components are easy to securely position and reposition allowing for redesign of closet quickly

the compact measuring tapes are constructed with a 5-point reinforced frame for impact resistance

Outside emergency entry keyway

Irwin Speedbor MAX 3-Piece Auger Bit Set Roppe Slotted holes for adjustmentSpeedbor Max is the fastest Speedbor Ever . Tri flute design for faster chip ejection. There are 3 cutting edges for added durability and the full screw tip allows the bit to self feed for easier pull through. 1 4" quick change hex shank prevents slipping in drill chucks and bit extensions. Fits all standard quick change chucks and adapters. Set includes 5 8", 3 4", and 1" Speedbor Max.