Features:* These high quality carbide shafts are 75mm and 100mm long and are notched for easy removal with a wrench and fit all m14 thread polishers.* These 2 piece set includes, 75mm and 100mm, which can also be used combined together to create a unique length when needed.* Pay attention to this for the metric m14 threaded spindle.* The rotary extension shaft is designed with detail in mind in response to the break-in problem for tight and awkward areas such as round mirrors, spoilers, window sills and bumpers when polishing with a rotary razor.* With the help of an extension roller, additional clearance is offered to safely polish these areas without the risk of impact/damage to the paintwork. Specifications:* Type: Polisher Extension Roller* Material: Carbide* Color: Silver* Length: 75mm, 100mm* Threaded Hole: 14mm* Quantity: 2 PiecesPackage Contents:2 * Polisher Extension RollerNote:1. Transition: 1 inch = 2.54cm, 1cm = 0.393 inch es2. 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.3. Please allow slight manual measurement deviation for the data.