Mid century modern.
Price is for 1.
You will need self drilling pan head screws for fastening.
Unused surplus with shelf wear.
They were used in attache cases.
5-7/16 inch length, 
4 inch screw spread, 
1-5/16 inch projection, 
9/16 inch thick.
11/16" stud depth (finger space behind pull).
Made in the USA, by Presto Lock, 
Garfield, New Jersey.

3510-130