These potentiometer knobs are designed for RV24YN 20S, RV24YN 30S, WTH118 2W 20S, WH118 2W 20S, and many other potentiometers. Featuring a brass liner for enhanced strength, corrosion resistance, and extended lifespan. Each knob is marked with a white line for easy observation and safer use. This set includes 50 replacement potentiometer knobs, offering ample quantity and ease of use. Lightweight and portable, these knobs are easy to carry and store, providing stable performance wherever you go. Item Type: Potentiometer Knobs Material: Ebonite, Brass Product Model: For BEM-A03 Fastening Shape: Side Screw Fastening Knob Diameter: Approx. 27 mm / 1.1 in Knob Height: Approx. 15 mm / 0.6 in Knob Inner Diameter: Approx. 6 mm / 0.2 in Product Quantity: 50 pcs Applicable Scope: Suitable for RV24YN 20S, RV24YN 30S, WTH118 2W 20S, WH118 2W 20S and other potentiometers