You can easily install or remove the nut by just pulling the pull ring and twisting it manually; the angle grinder adapter only needs to be aligned with the hole of the angle grinder, and then the adapter can be installed with just a click. 5/8 inch-11 pull ring angle grinder flange nut: pull ring design is convenient for installation, removal and storage; you no longer have to worry about not finding a wrench, and you don't need to waste money buying 5/8 inch-11 angle grinder adapter: opening shape design allows the adapter to be tightly and firmly fixed on the angle grinder, not loosen after long-term use, and is compatible with angle machine tools. The angle grinder adapter is made of stainless steel, and not easy to deform; the angle grinder nut is made of metal, and can withstand the high-speed rotation of the angle grinder The set includes a 5/8-11 quick-change angle grinder nut and an angle grinder adapter with a 5/8-11 thread Colour:As Shown Material:Metal Package Contents: 1 * angle grinder attachments 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.