uxcell 2 Pcs 1.18" x 0.67" Potentiometer Control Volume Knob Cap Black Product Name : Potentiometer Knob;Material : Plastic, Metal Color : Black, Silver Tone;Shaft Hole Dia. : 6mm/ 15/64" Overall Size : 30 x 17mm/ 1.18" x 0.67"(D*H) Weight : 14g Package Included : 2 x Potentiometer Knob