uxcell 37mm x 15mm Potentiometer Control Volume Rotary Digital Knob Cap Product Name: Potentiometer Knob Cap Material:Plastic, Metal Color: Silver Tone, Black Shaft Hole Dia.:6mm / 15/64" Overall Size:37mm x 15mm / 1.5" x 0.6" (D*H) Weight:9g Package Included:1 x Potentiometer Knob