Retainers and Locks
For steel retainers I almost always use Comp.
Crane had a nice assortment of varying IH pieces, but they’re gone now.
I can tell you that compared to a Comp 10* steel retainer, the Comp or Manley tool steel 10* retainers will add .030-.050 installed height.
As for how what else out there measures against the Comp....... I can’t really say.