Crafted for durability and high performance, the Irwin #1837385 Impact Insert Bit is an essential for any DIY enthusiast or professional. With its 1" length and #3 SQUARE drive size, this bit is designed to tackle a variety of tightening and loosening tasks with ease. The bit comes in a pack of two, ensuring you have a ready backup for your next project. Engineered to withstand the rigorous demands of impact drivers, this bit features the Impact Performance Series and boasts a 3x longer bit life, minimizing the need for frequent replacements. It's a versatile, black-colored tool that's made in China, designed to help you complete your work efficiently without compromising on quality.