DeWALT MAXFIT Square Recess #1 impact driver bits are designed for maximum fastener engagement and durability in high-torque fastening applications. Measuring 2 inches (50.8 mm) in length, these impact-rated bits feature a precision-machined tip for reduced cam-out and a torsion zone that absorbs torque to extend bit life. Ideal for use with impact drivers and drill/drivers in woodworking, construction, cabinetry, and general fastening applications. Includes 2 bits per pack.