New Dowidat No. 12 Open-End Whitworth Wrench Double ended spanner wrench so one spanner has two different sizes. This may or may not apply to your country.
British Standard Whitworth Open Ended Spanner Wrench, 1/4" W x 5/16" W
British Standard Whitworth Open Ended Spanner Wrench | 1/16" W x 3/32" W
British Standard Whitworth Open Ended Spanner Wrench | 5/8” x 3/4”W
British Standard Whitworth Open Ended Spanner Wrench | 3/8” x 7/16”W
HSS Circular Solid Die BSW British Standard Whitworth 1.5/8 x 5 4.1cm"
Recoil Thread Repair Kit 1"-8 BSW British Standard Whitworth 32160
