2 Tightening Knobs Lot of 2 tightening/adjustment knobs are new, never used, though they aren't marked with a brand name. Black plastic with a threaded steel screw shaft. Threaded screw shaft measures 0.189" in diameter x 0.5" in length.
FLEX CORE CURRENT TRANSFORMER CAT 189-101 RATIO 100:5 AMP MODEL 189 IS A LOW RATIO WOULD PRIMARY CURRENT TRANSFORMER SUITABLE FOR PRIMARY CURRENTS 2.5AMPS TO 100 AMPS WITH 5AMP OUTPUTS. FOR USE WITH AMMETERS, WATT-METERS, AND TRANSDUCERS 50-400hz contact me and i can explain in more detail about how these are used. shipping weight is 1.5 pounds.
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