The Blackhawk Tools 6 Piece 3/8" Drive SAE Hex Key Bits set is a high-quality assortment of hex key bits designed for professional use. Made in the United States, these durable and reliable tools are perfect for various industrial and business applications. With the well-known Blackhawk brand behind them, these hex key bits are sure to meet the demanding standards of craftsmanship and performance expected by professionals in the field.