THREAD SIZE: Features standard 5/8-11 thread size commonly used in angle grinders for secure attachment of grinding wheels QUICK CHANGE: FIXTEC system allows for fast, tool-free wheel changes, improving work efficiency and productivity PACKAGE CONTENTS: Includes 2 pieces of replacement nuts, providing a spare for continuous workflow CONSTRUCTION: Made with durable metal construction to withstand high-speed grinding applications and frequent wheel changes Upgrade your angle grinder's functionality with these premium FIXTEC nuts designed specifically for Milwau-ke angle grinders models 2783-20 and 2785-20. This 2-piece set features 5/8-11 thread size nuts that provide secure attachment and quick-release capability. These nuts allow for tool-free wheel changes, saving you valuable time during work. The robust construction ensures reliable performance and durability while maintaining a firm grip on grinding wheels and accessories. Perfect for professionals and DIY enthusiasts who value efficiency in their workflow. Compatible with standard 5/8-11 threaded arbor grinders, these nuts make wheel changes faster and safer. The package includes two nuts, giving you a spare or allowing you to outfit multiple tools.