Rheostat. Resistance: 7.5K Ohm. Power: 150 watt. Current: 0.14Amp. Model: L. Mount: Panel. Dimensions: 4" D x 1.4" (behind panel). Threaded bushing: standard 3/8" D x 0.431" long. Shaft: 0.256" D x 0.486" long. Contacts: solder terminals. Listed: UL/CSA. NIB. Series A. Made in the USA. Learn More