The Britool open-end spanners (imperial) are forged in chrome vanadium steel with a high chrome finish. The open end is angled at 15° from the handle axis.
ASME B 107-100.
The Britool BRIE113289B Open end spanner has the following dimensions:
Size: 1/4 x 5/16 AF
Length: 122mm
Weight: 20g
Height: 3.30mm
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