chrome-vanadium, chromed, heads angled at 15° and with 30° (double hexagon 15°) slotted
For tube connections, union nuts and male fittings for pipes, DIN 3118

open, 15° offset, for loosening and tightening of e.g. brake line screw connections
6-point, DIN 3118, opening: 15° cranked, high-gloss chromed, chrome-vanadium

open line key, angled, 6-point, chrome-vanadium steel

open, for line screw connections, reinforced design
Offset (15° and 40°), hexagon profile, straight slot, chrome-vanadium, chromed surface

for tightening and loosening e.g. brake line screw connections, ring head 30° offeset
Double sized head, with straight slot, hexagon (this avoids the rounding of screw heads), with reinforced key heads for high load