[Corner grinding machine lengthened link] By using the extended shaft, additional gaps can be provided to safely polish these areas without the risk of impact/damage paint. Details, such as car lights, door handles, logo, internal control table panels, etc. [Seamless docking] Precision thread, stable installation. Smoles smoothly, not loose. [Easy to install] The incision is convenient for the wrench to disassemble, suitable for 100 angle grinders/polishing machines. [Material] The grinding machine extension shaft adopts 45#steel, nickel -plating process, practical and durable. [Wide use] The rotating extension axis can be used for deep stones with grinding and polishing inner corners and special shapes. It needs to be matched with a variety of grinding heads, sand wheels, grinders, grinders, and mold opening. Problems such as narrow and embarrassing areas such as bumper. Colour:Silver Material:Alloy Steel Package Contents: 3x Angle Grinder Extension Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.