These AF, imperial combination spanners are forged in chrome vanadium steel and have a high chrome finish.

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 BRIE113230B Combination Spanner 5/16 inch has the following dimensions:
Size: 5/16 AF
Length: 120mm
Weight: 26g