Blue Point 6A7 wrench
Model number 6A7. (not in cats) marked sizes. 3/16 and 1/8. The
3/16 decimal size is .375 which is a hex cap size. The 1/8 decimal is .338
which is 1/8whitworth. From the markings on the wrench, looks like it
would date early to mid 30s
Image:
Image 2: