ISO 10103:2018 Assembly tools for screws and nuts. Doubled-headed box wrenches, flat and offset. Outside dimensions and test torques

Torque
Thickness
Length
Box spanners
Wrenches
Flat (shape)
Nuts
Threaded fasteners
Screws (bolts)
Production equipment
Assembling
Hand tools

Link: ISO 10103:2018 Assembly tools for screws and nuts. Doubled-headed box wrenches, flat and offset. Outside dimensions and test torques
Source: BSI Standards