View attachment 1376688 View attachment 1376689 The 186 is easy to distinguish from the 560 because of the screws. The 560 came in 2 versions. The first was thick (1/2") with a stepped edge, the second was thin (7/16") with chamfered edges. The last picture shows a 560 that was riveted but had the holes counter bored to accept #5X40TPI cap screws and also a 186 with the belt clip removed.View attachment 1376690