Force 685A2055 Box End Wrench Head (20x28.5mm) 55mm – your robust solution for precise fastening needs. Engineered for durability and performance, this wrench head features a box-end design for secure grip and torque. With a size of 55 mm and compatibility with 20x28.5mm fasteners, it's versatile for various tasks. Trust the Force 685A2055 for reliable and efficient fastening in any application