Check the listing for details. 100W 1000 Ohm Wirewound Ceramic Potentiometer Variable Rheostat Resistor Knob. Condition: New. Listed at 32.45 USD. Description:1K ohm, 3 Terminals, Single Linear, Suits Most Standard Knobs.（this item include Knobs)Control the electrical resistance of a circuit without interrupting the flow of current.The rheostat is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle.Can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, , model trains or other applications that require high voltage and current.Knurled shaft with split design for push-on knob.Specification:Product Name: Wirewound Ceramic PotentiometerMaterial：Ceramic MetalResistance Value: 1K ohmPower：100WTolerance: +/-5%Terminals Number: 3Features: Round ShaftTotal Size: 80.8 x 66.2mm/ 3.18 x 2.6inch (D * H)Screw Thread Dia.: 10mm/0.39 inchShaft Diameter: 6mm/0.