Vintage Collectable Keystone Socket Tool Set M1555

You are bidding on a Vintage and Collectable socket tool set. The set is Manufactured by The Keystone MFG., Co from Buffalo, NY USA. It contains 11 peices including the foldup carrying caddy. Sockets range from 7/16 through 15/16 by 1/16 increments. It has one breaker bar and one ratchet with markings cast in the handle that read: RATCHET WRENCH M 1555 on one side and THE KEYSTONE MFG. CO. BUFFALO, N.Y. U.S.A. See close up photo of ratchet handle. The set all fits in a compact foldup carrying caddy.