Craftsman 11pc USA Made 3/8 Drive Metric Shallow Socket Partial Set.
All sockets are metric, and I don’t see any cracks. The sockets are from different sets, ranging from Craftsman eras: V, VV, G, G2
The 6 6pt sockets:
19mm
17mm
16mm
15mm
14mm
10mm
The 5 12pt sockets:
18mm
15mm
13mm
12mm
10mm