Introducing the Pro-Graad SuperGrindz Angle Grinder Extension Shaft Set: Featuring a 5/8 UNC (5/8"-11) Thread with 1/8” & 1/4" Collets, this tool seamlessly converts angle grinders into versatile rotary tools, compatible with 5/8”-11 Threaded Angle Grinders. Included in the box is 1 Pro-Graad Angle Grinder Adapter, along with 1 each 1/8” & 1/4” Collets, suitable for use with 5/8”-11 threaded angle grinders. Unlock versatile functionality with this adapter, transforming your angle grinder into a multifunctional rotary tool capable of grinding, polishing, sanding, cutting, and surface preparation. Crafted from premium 304 stainless steel for the main body, hardened carbon steel collet clamping nut, and high-grade spring steel for the 1/8" & 1/4" collets, this adapter boasts robust construction to endure rigorous job site conditions. Experience smooth and efficient operation with precision engineering, designed to minimize vibration and deliver optimal performance with every use. Enjoy a user-friendly design that seamlessly integrates with 5/8” UNC (5/8”-11) threaded angle grinders, offering a convenient and cost-effective solution compared to standalone rotary tools. Easily switch between accessories to enhance productivity on the job. NOTE: Never exceed the product's safe Maximum RPM when using accessories with the adapter.