2Pcs Stereo Radio Taper Potentiometer Control Volume Knob Cap B-2 Product Name : Potentiometer Knob;Model : B-2 Material : Plastic, Copper;Color : Black Shaft Hole Dia. : 6mm/ 0.24";Overall Size : 28 x 16mm/ 1.1" x 0.63"(D*H) Weight : 16g Package Included : 2 x Potentiometer Knob