This set includes 10 pieces of impactready nutsetters, each sized at 5/16 inch (7.94 mm), designed for precision fastening in demanding work environments. Key Features and Benefits: Industrialstrength magnet ensures secure and reliable fastener retention, reducing the risk of dropping or losing screws during use. Compact storage box included for convenient organization and easy transport to job sites. 1/4 inch (6.35 mm) hex shank fits securely into most standard impact drivers and wrenches, offering broad compatibility. 2inch total length provides reach and control for fastening tasks in both tight and open spaces. Constructed from quality S2 steel for exceptional durability and long service life, even under torque conditions. Designed specifically for use with impact drivers and wrenches, ensuring performance you can trust in heavyduty applications. Practical Applications: 1. for installing metal roofing sheets where fastener retention and quick bit changes are crucial. 2. Ideal for assembling steel framing or decking, offering strength to handle repetitive torque fastening. 3. Suitable for and maintenance of machinery or equipment where reliable magnet grip simplifies work in challenging positions. This nutsetter set delivers strength, precision, and reliability for professionals and DIY users alike, making it an essential addition to any tool kit.