The Britool E112301B flare nut spanners are forged in chrome vanadium steel with a high chrome finish. They have open ends which are angled at 15° from the handle axis for better access.
DIN 3118 - ISO 691.
All sizes have 6 point ends.
The Britool BRIE117391B Flare Nut Wrench 11mm x 13mm has the following dimensions:
Size: 11 x 13mm
Length: 174mm
Weight: 82g