Multiscale: Sizes are M3 = approx 5cm, M4 = approx 5.5cm, M5 = approx 5.9cm, M6 = approx 6.5cm, M8 = approx 7cm. It allows you to adjust it with the adjustable wrench. Safety and durability: high speed steel suitable for heavy shock absorbers, so that the shock absorbers work more safely, the titanium surface of the product is called more precision and durable. Material: high speed steel for industrial or mechanical use, is characterized by higher strength, allows higher thread speeds and requires less power for the drive. Perfect for use: Helical tip taps cut the cutting surface of the first threads at a specified angle to the angle of the tap axis to force chip evacuation before action cutting. Suitable for processing stainless steel and ordinary steel. Product functionality: * Taps, straight grooved tip M3-M8 * Spiral pointed tap for circular tube threading rows of pins * Sharp spiral rooster also called POT * Titanium surface of the product, so that it can call for higher