“. 2 3/4″ high x 1 7/8” diameter. Brass body. Brass shackle. “BLAKESLEY” is stamped on the obverse of the body. “THE BLAKESLEY KEYLESS LOCK CO. PAT. 9-17-07 4-27-09” is stamped on the obverse of the shackle. “DENVER. COLO. U.S.A.” is stamped on the reverse of the shackle.