3/4", 6-point, chrome-vanadium, according to DIN 3124, ISO 2725, chromed, polished, with locking pin

3/4", short design, 12-point, for manual operation, inner square drive
Handy, with knurling, with locking pin, chrome-vanadium, chromed surface, polished, DIN 3124, ISO 2725-1

3/4", hexagon, for machines, short design
Phosphatised and oiled surface, with borehole for locking pin, chrome-vanadium steel, according to DIN 3124, ISO 2725

3/4", hexagon, for machine operation, long design
Phosphatised and oiled surface, with borehole for locking pin, chrome-vanadium steel, according to DIN 3124, ISO 2725