Wera Joker Self-Setting Wrench, Large is a versatile and reliable tool designed for efficient fastening. This self-adjusting wrench automatically adapts to different sizes of hex screws and bolts, ranging from 16 to 19mm (5/8 to 3/4 inches), making it i for a variety of tasks. With an overall length of 224mm (8.8 inches), it a comfortable grip and excellent control. The wrench features an automatic and continuous grip that prevents slipping and damage, thanks to its innovative lever mechanism. Its single-arm design combined with a ratchet function allows for easy use in confined spaces, enabling fast and consistent driving without the need to remove the wrench. The back pivoting angle of only 30 degrees and the rectangular prism jaws enhance accessibility and precision during work. Model Number: 05020101001