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I remembered Murray clamps as having bought Keystone clamps. It looks like, from their webpage, that they're ready to pick up any slack, if Oetiker falls off in quality.anyone notice okitier ( sp) ? clamps this yr seem to be weaker , cheaper? Ones that now come in a white bag instead of yellow.
For the youths in the audience, Oetiker was by and large the only game in town for as long as their patents were in effect. Keystone clamps looked similar, but there was no dimple in the raised portion you crimped, as the dimple was patented by Oetiker. Keystones were crimped with a special tool that pushed a sort of anvil at the flat on the crimp area, while the usual crimping was happening.