New design with the development of the new ratchet handle. Optimizes the diameter, thickness and position of the spin disc when combined with the new ratchet handle (2725 Series 2726 Series) for superior maneuverability. [Z-EAL] Outer diameter 0.8 inch (20.3 mm) height 0.7 inch (18 mm) Features: "Next-generation socket wrench that does not rattle" the connection point has been improved and adopted a new shape ball dimple (recess) to achieve a fit and high torque transfer performance that cannot be seen even by high-end brands. When using multiple jobs such as quick spinners and extension bars, the difference is visible at a glance.