Cam lock supplied Keyed different. Each lock is assembled with the C2L cam, 12 to 9 rotation, and 2 keys. Also supplied with 180 degree stop cam, 1/4" offset cam (C4L/C6L), pronged washer, and collar ring (5/64"). Other keying options are available - lead time varies. When viewing line drawing dimension "B" dimension is 5/8". More more cam details and offsets please see pdf file.