Description:1. Single Linear, Suits Most Standard Knobs.(this item do not include Knobs)2. Top adjustment type and knurled shaft for easy operation in daily use.3. Mainly used for dimming, speed, temperature, etc. of electronic products, suitable for video, governor, microwave oven, loudspeaker, amplifier, etc.4. Knurled shaft with split design for push-on knob. Specification:Product Name: Film PotentiometerModel: WH138Material: film MetalResistance Value: 100K ohmTolerance:+/-10%Turn Number:Single TurnTerminals Number:5Features: Round ShaftTotal High: 40mmBase Size: 17mm x 24mm ( HxD)Screw Thread Dia.: 7.6mmShaft Diameter:6mm/0.24 inch Package Content:2 x Film Potentiometer