Description Milwaukee SHOCKWAVE Impact Duty #4 3/16â7/8" Step Bit is designed for ultimate durability, speed, and precision in impact drilling applications. Made in the USA with global materials, it delivers top-tier performance in impact drivers while offering full compatibility with standard drills. Engineered for professional results, this step bit produces fast, clean holes and ensures long-lasting reliability across a variety of materials.Product Details:Titanium Aluminum Nitride (TiAlN) coating delivers up to 5x longer lifeRapid Strike tip and dual spiral flute design produce 2x faster holes¼ inch hex shank with optimized SHOCKZONE body minimizes shank breaksCompatible with both impact drivers and standard drillsFeatures 12 precision steps ranging from 3/16 inch to 7/8 inchLaser-engraved step markings provide quick and accurate size identificationBlack oxide finish enhances durability and reduces frictionMade in the USA with global materialsLength 0.875 inchHeight 3.584 inchesWidth 0.875 inchWeight 0.2 lb.