This extended magazine attachment increases productivity for cordless framing nailers by holding two full nail strips, reducing reload frequency throughout the workday. The magazine accepts round head 21-degree plastic strip collated nails ranging from 2 to 3.5 inches in length and 0.113 to 0.131 inches in diameter. Made from fabricated steel for durability, the magazine measures 19-5/8 inches long, 4-1/16 inches wide, and 2-1/16 inches tall. Designed for use with 21-degree cordless framing nailers, it provides reliable performance for framing applications.