???? PACKAGE INCLUDES - 1 x Tap Wrench, 1 x Adjustable Tap, 1 x T-Tap, 1 x Mini Screwdriver, 1 x Thread Gauge, 17pcs each of M3-12 Taps and Dies. ???? PREMIUM QUALITY MATERIALS - Made of high-quality bearing steel, which is harder than alloy steel, wear-resistant, corrosion-resistant and durable. ???? PRECISION MACHINING - High precision, standard tooth spacing, anti-slip pattern on the wrench surface, stronger grip and more stable thread cutting. ???? MACHINING AND REPAIR - Can be used to cut new threads, machine internal and external threads or repair damaged threads. ???? WIDE APPLICATIONS - Can be used on materials such as iron, steel, aluminum, cast iron, copper, wood and plastic, widely used for DIY repairs, machine repairs and parts machining.