Features: * brand new and high quality. *Made of high quality material for lasting use. *Excellent replacement for damaged parts of for a change of colour or style on a custom guitar. *Black with Silver cap - volume / tone. *Bore dimension = 6mm *Material: plastic *Color: Black (As shown) Package list: 1 x knobs set of 2 (1 x volume + 1 x tone) set of 3 (1 x volume + 2 x tone) set of 4 (2 x volume + 2 x tone)