The 1/4 DR 51PC SAE & MM 6PT set by Black & Decker's IRWIN Industrial Tool Company is an essential toolkit for any mechanic or DIY enthusiast. This comprehensive set includes 51 pieces, featuring both SAE and metric sizes, ensuring you have the right tool for any job. The 6-point design provides a secure fit on fasteners, reducing the risk of rounding and enhancing torque application. Made from durable materials, these tools are designed for longevity and reliability. The included storage case keeps your tools organized and easily accessible, making it perfect for both home and professional use.