ITEM NAME:4 Pieces 5.5mm Rotary Potentiometer Shaft Control Knob Black C1H2 4 Pieces 5.5mm Rotary Potentiometer Shaft Control Knob Black C1H2 C7A3 Product Name: Potentiometer Control Material: Plastic Color: Black, Random Color Orifice Shaft Dia. 5.5mm / 0.6cm Overall Size: 15 x 15 mm / 1.5cm x 1.5cm (D H) Weight: 6g The package includes: 4 x potentiometer control Only the above package content, other products are not included. Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.