[] The Grinder nut screws on or off with just gentle finger pressure. Knurled nuts keep the wheel tight. You do not have to find the special wrench you misplaced, then balance the grinder while you hold the lock button, and struggle with the wrench. [SIZE] Our Self locking angle grinder nut includes 2 sizes, one 5/8Inch-11 (M14), and one 5/8Inch, suitable for all 4-1/2Inch, 5Inch, and 7Inch grinders with a 5/8Inch-11 and 5/8Inch threaded shaft. [WIDELY COMPATIBLE] These angle grinder flange nuts are designed to fit angle grinders with a 5/8Inch-11 and 5/8Inch threaded shaft. Compatible with a range of angle grinders, including popular models from for , for , for , for , for Black & , for , and others. [PREMIUM QUALITY] Crafted from , carbon steel, these flange nuts offer superior strength and exceptional wear resistance. The robust construction ensures long-lasting performance, while efficient heat dissipation helps extend their lifespan. Color:Black Material:Metal Package Contents: 2 * angle grinder nut 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.