Never thought to put a ratcheting adapter on one of them . I sold a 3/8 craftsman beam on let go for $5. USA circa late 80s.Here's my 1/2" Craftsman USA beam wrench next to its little 3/8" brother. Both equipped with Koken ratchet adapters. Both are accurate to less than 1% error.
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My Precision Instruments 50-250 lb-ft split beam.
I should have mine by Tuesday.