This open end wrench set of 7 is double ended and have a different size at each end.
The jaws are broached at 15° to the shank.
Manufactured from high quality alloy steel, with a bright nickel and chrome plated finish.
All dimensions conform to BS192:- 1982

Sizes 1/8 x 3/16, 3/16 x 1/4, 1/4 x 5/16, 5/16 x 3/8,
3/8 x 7/16, 7/16 x 1/2, 1/2 x 9/16 in. Whitworth