The Jonard Tools ND-63014 1/4″ Hollow Nut Driver is designed for use on long screws and bolts. It features a full-length hollow shaft and internal shaft flanges to prevent slipping. Additionally, it has an ergonomic handle with a thermoplastic rubberized grip for greater comfort and torque. It is ANSI and ASME B107.110 compliant and the end of the handle is marked for easy recognition.