One-Handed Bit Changes - The Universal Holder One-Click offers easy bit changes with extra-firm bit hold in universal screw-driving applications. It features a One-Click Function on the chuck that allows one-handed bit changes and further supports the strong bit hold. Furthermore, a permanent magnet ensures a firm and secure grip of the bits in use. The Universal Holder is excellent for all fixing jobs requiring power tools. It has a 1/4-inch external hex shank and is intended for use with screwdrivers and drill drivers. Hex shank for maximum power transfer in standard three-jaw drills and hexagonal drill driver chucks. Features and Benefits • One-Handed Bit Changes with Extra-Firm Hold • Universal Holder One-Click offers easy bit changes with extra-firm bit hold in universal screw-driving applications • One-click chuck function for one-handed bit changes and extra-strong bit hold Specifications Drive end: 1/4" Total length: 60mm Shank type: 1/4" external hexagon Diameter (D1): 14mm