2004ISO 2380-1:2004 Assembly tools for screws and nuts - Screwdrivers for slotted-head screws - Part 1: Tips for hand- and machine-operated screwdrivers
1997ISO 2380-1:1997 Assembly tools for screws and nuts - Screwdrivers for slotted-head screws - Part 1: Tips for hand- and machine-operated screwdrivers
1989ISO 2380-1:1989 Screwdrivers for slotted-head screws; part 1: tips for hand- and machine-operated screwdrivers