Description: 【Construction】: Electrical Wire Threader Crafted from metal, this electrician's wire threading spring head ensures long-lasting durability and reliable performance in various electrical applications 【Dimensions】: With a length of 23cm, a hole diameter of 5.9mm, and an overall diameter of 8.9mm, this spring head is designed to fit a wide range of wiring tasks efficiently 【Efficient Wire Threading Tool】: Specifically designed for electricians, this tool aids in the smooth threading of wires through conduits, making your electrical projects more manageable and time efficient 【Wide Applications】: The cable wire puller tool is suitable for pulling and electrical wires through wall cavities, floor conduit, above ceilings, etc 【Duct Rodder Threader】: The through wall wire guide device is used to guide and pull the wire through the occupied duct and panel box Specification: Material: Metal Size Chart: Length: 17cm/6.69inch Hole diameter: 0.59cm/0.23inch Diameter: 0.89cm/0.35inch Package Includes: 1x Electrical Wire Threader Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.