uxcell Plastic 6mm Dia Shaft Rotary Taper Potentiometer Knob Cover Cap 5pcs Product Name: Potentiometer Knob; Country of Manufacture: CHINA Material: Plastic; Net Weight: 6g Package Content: 5pcs x Potentiometer Knob; Main Color: Black,Red Overall Size: 15 x 15mm/0.6" x 0.6"(Max.D*H) Fit Shaft Diameter: 6mm/0.24"