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
2017ISO 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
2009ISO 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
1977ISO 4229:1977 Assembly tools for screws and nuts; Single-head engineer's wrenches; Gaps from 50 to 120 mm