This grinder nut set includes 1 3-inch angle grinder extension shaft 1 angle grinder wrench and 8 5/8-inch-11 angle grinder nuts (4 inner flange nuts, 4 outer flange nuts). Nickel plating process ensures its practicality and durability, you can use the 3 extension rods individually, or connect them into longer rods to help you reach narrow, tight or awkward places that ordinary grinders or polishers can't reach. Made of carbon steel, the rubber-coated handle provides a comfortable grip and strong support, adjustable from 0.6 to 2.1 inches. Made of high-quality steel material, sturdy and , please note that in order to make the nut work better, the nut comes with lubricating oil. Suitable for all 5/8-inch-11 thread angle grinders and polishers. They have been tested and found to be compatible with 4-1/2In, 5In, 7In grinders that have a 5/8-11 threaded shaft ( not fit for 4-1/2In) with a range of angle grinders including popular models from for , for , for , for , for Black & , for and