Klein Tools QRST2S Quick-Release Step Bit Set, 3-Piece, Durable Aluminum Titanium Coating, Impact-Rated Hex Shank

DURABLE COATING: Step bits are coated with aluminum titanium nitride, providing durability that is 10 times greater than black oxide, ensuring extended bit lifespan | IMPACT RATED: Compatible with impact drivers and standard drills, providing versatility and reliability | FASTER CUTS: Dual spiral flute design for swift chip removal and quicker cuts | CLEAR LASER MARKINGS: Easy-to-read laser markings allow for quick size identification | PRECISE AND STABLE DRILLING: Fast-starting drill tip prevents walking