The CT APEX U-GUARD 3.5" SQ1 RING MAG, 2PK from APEX TOOL GROUP includes two square drive bits designed for maximum efficiency and convenience. Each bit measures 3.5 inches and features a ring magnet that securely holds screws, making it easier to work in tight spaces. Made from high-quality materials, these bits are durable and resistant to wear, ensuring they can handle heavy-duty tasks. Perfect for both professional and home use, these bits enhance productivity and reduce frustration during fastening applications.