Features High Hardness--- Made from high-quality bearing steel, these taps are extremely hard and durable, ensuring long-lasting performance. Versatile Sizes--- With 7 different sizes ranging from M3 to M12, these taps can be used for tapping various threads, providing versatility for different projects. Smooth Tapping Experience--- Whether cutting new threads or repairing damaged ones, these taps offer a smooth and efficient tapping experience, resulting in precise and accurate threads. Tap Wrench Compatibility--- Designed to be used with a tap wrench (not included), these taps provide convenience and ease of use during the tapping process. Wide Application--- Ideal for creating screw threads on wood, plastic, aluminum, and other soft materials, these taps are versatile tools suitable for a variety of projects. Features:These taps are made from high quality bearing steel for high hardness. There are total 7 pieces of taps in different sizes from M3 to M12 that you can use for tapping various threads. They are used to cut new threads or repair damaged threads, you will have a smooth tapping experience with them.These taps are used with a tap wrench to do the tapping, wrench is not included.Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials. Specifications:Material: Bearing steelStandard: MetricSize: M3, M4, M5, M6, M8, M10, M12Quantity: 7 Instruction:1, Insert cone part first and make sure the tap center line agrees with drilling center line. 2, Rotate tap wrench with a even force to feed tap, don't need to add force after feed. 3, Reverse rotate about 45 ° each time rotate tap to cut chip in order to avoid blocking. 4,  If it is difficult to rotate tap, stop adding force or tap will be broken. Package Includes:7 x Taps (Tap wrench is not included) Package List