Features:* For local gaps that cannot be ejected through the edge of an angle grinder or grinder, install an extension and grinding and polishing can be done in one step.* Great for Small Areas: With the extended shaft, additional clearance can be provided to safely polish these areas without the risk of impact/paint damage. Details such as lights, door handles, emblems, console interior panels, and more.* Seamless docking: Precision thread for stable installation. Smooth grinding, not loose.* Easy Installation: Notched for easy removal with a wrench, fits Model 100 angle grinders/polishers.* Widely Used: The rotary extension roller can be used to grind and polish deep stones such as inner corners and special shapes. It needs to be matched with various grinding heads, grinding wheels, grinding wheels, grinding wheels, mold openers, etc. Specifications:* Material: 45# Steel+Iron* Color: Silver+Black* Thread: M10* Shank Diameter: 14mm* Length: 80mm* Extended: 60mm* Specific Size: As Shown in the Picture * Quantity: 3pcs/SetPackage Contents:1 * Angle Grinder Extension Connecting Rod2 * Pressure Plates (Top and Bottom)Notes:1. The actual colors 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.2. Please allow slight manual measurement deviation for the data.