The 857/4 Z Bit from Wera is a high-quality tool specifically designed for use with tension screws. With its robust hardness, this bit is suitable for a variety of applications and offers reliable performance in different work situations. The bit features a 1/4" hexagonal socket that is compatible with holders according to DIN ISO 1173-F 6.3, ensuring easy handling and a secure fit. The dimensions of the bit are 89 mm in length, 7 mm in width, and 6 mm in height, while the weight is 15.86 g. This bit is offered as a single piece and is a practical addition to any toolbox, suitable for both professional and private use. The combination of quality and functionality makes the 857/4 Z Bit a valuable choice for anyone who values precision in their work.