“U.S.M.C. REESE” – “MADE IN U.S.A.”. Body Type: Cast 2 Piece. Body Material: Gray Metal. Body Size: 1 3/4″Wx1 5/8″H. Shackle Material: Steel. Shackle Size: 5/16″Dx5/8″H. Model No: ?. Key Type: Single Sided 5 Wafers.