My impacts are as follows:
3/8" shallow SAE - Craftsman (part of an auction lot I got a couple years ago)
3/8" deep SAE - Central Forge (HF brand, apparently not sold under that name anymore)
3/8" deep Metric - Pittsburgh
1/2" shallow SAE - Central Pneumatic "Earthquake"
1/2" deep SAE - Stanley (purchased at Walmart)
1/2" shallow Metric - Central Pneumatic "Earthquake"
1/2" deep SAE - Stanley (purchased at Walmart)
Not sure where the Stanley stuff is produced, as they're not marked. Walmart's website says USA, I didn't keep the plastic package/case. Everything else is Taiwan. I've used various pieces of each set quite a bit, absolutely no issues.
It seems that the only 3/8" impact sockets that HF carries is under the "Pittsburgh" name these days. Would have preferred the "Earthquake" stuff, but these are working out quite well.
I can't seem to find an HF-sold set of 3/8" shallow Metric impacts - has anyone seen them at their store?