The Pro-Graad Angle Grinder Adapter, featuring a 5/8-11 Female x 1/4-20 Male design, serves as an arbor adapter compatible with Roloc, Roll Lock, Type R, Type S 1” – 3” Quick Change Holders, specifically for angle grinders with 5/8”-11 threads. Notably, the package includes one Pro-Graad 5/8-11 Female × 1/4-20 Male Arbor Adapter, catering to 1” – 3” Quick Change Holder Pads (Quick Change Pad Holders not included). Engineered for durability, this adapter undergoes steel quenching treatment, boasting a Grade 12.9 with a Rockwell hardness of 39-44HRC, ensuring exceptional longevity and reliability. Its application is tailored for 5/8-11 threaded angle grinders, delivering consistent performance with 1” – 3” Quick Change Style Pad Holders. The adapter broadens the angle grinder's functionality effortlessly, enabling the utilization of 1" to 3" quick-change abrasive and finishing discs. Overcoming limitations presented by larger diameter pads, it extends reach and versatility, empowering projects with expanded capabilities. This accessory becomes a valuable asset for those seeking enhanced adaptability and prolonged utility from their angle grinders.