A common thread repair tool that can repair threaded holes. Good to use with threaded lamp pipes. Mainly used on these applications: chandeliers, pendant lamps, electronic equipment, computers, and DIY project.SpecificationMaterial: Carbon SteelExternal Thread: M8Internal Thread: M6Thread Pitch: 1mmHeight: 10mm / 0.39 inchPacking List: 10 x Reducing NutAdvantageThe product is made of carbon steel material, providing good durability and stability. Also, the zinc coat has good rust resistance, and it can prolong product's service life.Convenient to use, it can convert two different thread.InstructionAll thread design body is very easy to use, just thread them into a nut or thread pipe.NOTE: Please confirm the thread size.