Klein Tools QRST15 Step Drill Bit, Quick Release Spiral Double Fluted, 7/8 to 1 3/8 Inch, Hex Shank, Cut Steel, Wood, Plastic, Aluminum

DURABLE COATING: Step bits are coated with aluminum titanium nitride, providing a durability that is 10 times greater than black oxide, ensuring an extended bit lifespan IMPACT RATED: Compatible with both impact drivers and standard drills, providing versatility and reliable performance FASTER CUTS: Dual spiral flute design for swift chip removal and quicker cuts and drilling CLEAR LASER MARKINGS: Easy-to-read laser markings allow for quick size identification of three hole sizes, enhancing efficiency and accuracy PRECISE AND STABLE DRILLING: Fast-starting drill tip prevents walking for precise and stable drilling results SECURE QUICK-RELEASE HEX SHANK: 1/4-Inch hex shank with quick-release feature provides a firm, positive grip, preventing spinning in the drill MULTIPLE MATERIAL APPLICATIONS: Suitable for steel (up to 16 gauge), wood, plastic, and aluminum, offering versatility and convenience

STEP DRILL BIT, QUICK RELEASE, 1.8 LG; DRILL BIT SIZE METRIC:34.92MM; DRILL BIT SIZE IMPERIAL:1.375; EFFECTIVE LENGTH:-; OVERALL LENGTH:1.8; PRODUCT RANGE:-