IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece 3018002
Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk 5% Cobalt Alloy Steel For Higher Heat & Abrasion Resistance Heavy Duty Web Construction For Strength & Durability 29 Piece Cobalt Alloy Steel Drill Bit Set.
