The Britool combination spanners (metric) are crafted in chrome vanadium steel & finished in high chrome.
The ring spanner end has a 12-point OGV profile angled at 15° , maximising the contact surface with the nut for a longer lifetime. The open end is angled at 15° from the handle axis.
ISO 691-ISO 1711-1-ISO 3318-ISO 7738-DIN 3113.
The Britool BRIE110103B Combination Spanner 38mm has the following dimensions: