Williams Refrigeration Ratchet Combination Wrench MR-51
This is a nice 1/4" female drive refrigeration ratchet, marked with "J.H. Williams & Co. NO. MR-51" forged into the center section.
The overall length is 6.0 inches, and the finish is chrome plating.
The ratchet mechanism is an open design with a 24-tooth drive gear, and the reversible pivoting pawl has two contact teeth on each side. The handle is equipped with broached openings for 3/16 square, 1/4 square, 5/16 square, and 1/2 hex.
This one is in very good condition with no sign of use, about 99% like new.