https://www.primetools.co.uk/product/britool-expert-e113289b-double-open-ended-spanner-14-x-516-af/
Expert by Facom E113289 Imperial Double Open Ended Spanner Wrench 1/4" x 5/16" AF - PrimeTools
Apr 23, 2026 - ASME B 107-100. Open end angled at 15 degrees from handle axis. Forged in chrome vanadium steel. High chrome finish.