BS ISO 4229:2017 Assembly tools for screws and nuts. Single-head engineer's wrenches for lower torque applications. Maximum outside dimensions of heads and test torques
2020BS ISO 4229:2017 Assembly tools for screws and nuts. Single-head engineer's wrenches for lower torque applications. Maximum outside dimensions of heads and test torques
2009BS ISO 4229:2009 Assembly tools for screws and nuts - Single-head engineer's wrenches for lower torque applications - Maximum outside dimensions of heads and test torques