power supply: AC 220v-6a; net weight: 380G colour: yellow+black Material: metal size: shaft diameter: 6 mm / 0. 2 inch Shaft Length: 13 mm / 0. 51 inch; mounting thread diameter: 7 mm / 0. 3 inch; base size(): 17x 7. 3mm / 0. 67 inch x 0. 29 inch(D x h) Knob size(): 15 x 17 mm / 0. 6 inch x 0. 67 inch(D x h); total height: 33 mm / 1. 3 inch Package Contents: 50 x potentiometer Only the above package content, other products are not included. Note: Light reflection 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.