50pcs Potentiometer Knob So High Strength Preservative Low Volume Speed Control Potentiometer Knob 1. [Suitable Model] These knob caps are suitable for RV24YN 20S, for RV24YN 30S, for wth 118 2W 20S, for WH118 2W 20S and many other potentiometer oacute;v. 2. [Brass insert] of the potentiometer knob is made of brass, which has good strength, corrosion resistance and prolongs the service life of the knob. 3. [Easy to Observe] These knobs are marked with a white line, which is more convenient to observe, safe to use and convenient for you. 4. [Set of 50] Potentiometer knobs contain 50 element replaceable potentiometer caps, which are sufficient in quantity and easy to use and replace. 5. [Light and Portable] Lightweight, small size, easy to carry and store, can be put in a bag to use anywhere, anywhere, convenient and fast, stable performance. Specification: Item Type: Potentiometer Knobs Material: Ebonite, Brass Product Model: for BEM-A03 Fixed Form: Side Fixed Screw Knob Diameter: Approx. 27mm/1.1in Knob Height: Approx. 15mm/0.6in Knob Inner Diameter: Approx. 6mm/0.2in Product quantity: 50pcs Scope of application: suitable for RV24YN 20S, for RV24YN 30S, for WTH118 2W 20S, for WH118 2W 20S and other potentiometers List package oacute;w: 50 x potentiometer knobs