Feature:1. 50Pcs in 1 Set: Includes 50pcs potentiometer replacement knob caps, sufficient quantity, easy to use and replace.2. Easy Observation: These knobs are marked with white lines, which is more convenient for observation and safe to use.3. Engineering Plastic: The potentiometer knob shell is made of engineering plastic, which is light in weight and good in insulation.4. Brass Interior: The interior is made of brass, which has good strength and corrosion resistance and prolongs the service life of the knob.5. Applicable Models: These knob caps are suitable for potentiometers such as V24YN, RV30YN, WX112, WX050, WTH, WH118, WX110, WX010, etc.Specification:Item Type: Potentiometer KnobProduct Material: Engineering plastic + brassProduct Model: BEM-A01Fixed Form: Side screw fixedKnob Diameter: Approx. 20mm / 0.8inKnob Height: Approx. 11mm / 0.4inKnob Inner Diameter: Approx. 6mm / 0.2inProduct Quantity: 50pcsApplication: For RV24YN, RV30YN, WX112, WX050, WTH, WH118, WX110, WX010, etc..Package List:50 x Potentiometer Knobs