It has a 1/4-inch hex shank for use with standard cordless drills and impact drives with 1/4-inch toolholder. The Universal Holder Standard Magnetic is a good choice for universal screw-driving applications. Its slim design offers easy handling for various tasks. 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, drill drivers and dry wall screwdrivers in conjunction with depth stops.