Features: *Suitable for extension of electric drill sanding pad screwdriver etc. *1/4 hexagon connecting rod adapter drill chuck M10 polishing disc connecting rod power tool accessories. Specification: Product Name: Polishing disc connecting rod Material: Metal Color: Silver Thread: M10 Shank diameter: 6.35mm(1/4Inch) Suitable for: connect of electric drill sanding pad screwdriver etc. Quantity: 10pcs Package Included: 10 × Connecting rod Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.Made of high quality material durable and practical to use.