[Easy to install] The incision is convenient for the wrench to disassemble, suitable for 100 angle grinders/polishing machines. [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. [Material] The grinding machine extension shaft adopts 45#steel, -plating process, practical and . [Seamless docking] thread, stable installation. Smoles smoothly, not loose. [Wide use] The rotating extension 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., Weight: 0.85318895394 pounds, Manufacturer: Kueohse