... , 3/8" Square Through Hole Single Turn, Cermet, Industrial, Sealed, Trimmer Potentiometer Manufacturer since 1996 RoHS Compliant High Qulity, Competitive Prices 2 ... 1996. We're dedicated to reliable and high quality potentiometer solutions. Cermet and Carbon Trimmer Potentiometer: 3006,3296, 3386, 3266, 3329, 3362, 3361, 3362 ...