The Pro-Graad 3-1/2" Stainless Angle Grinder Arbor Extension enhances buffing capabilities, enabling simultaneous use of two buffing wheels or airway wheels for heightened productivity. Compatible with all 5/8” UNC (5/8”-11) threaded angle grinders, it ensures seamless integration while also protecting against damage when paired with threaded safety flanges. Precision machined from premium stainless steel, this adapter offers exceptional strength, durability, and reliability for versatile usage. In the box, you'll find one Pro-Graad 3-1/2” Stainless Steel Angle Grinder Arbor Extension Adapter with a full 1-1/2” thread length, providing ample threads for various wheel width applications. Experience the convenience and efficiency of this angle grinder extender shaft, designed to meet the demands of buffing and airway wheel tasks with ease.