Guitar AMP Amplifier Knobs Black w\/ Silver Cap Push-on Knob fits Marshall<br /><br />Features:<br /><br />-Suit for DIY MARSHALL loudspeaker boxeffector, and guitar and other equipment<br />-Excellent quality<br />-Perfect workmanship<br />-Comfortable handfelt<br /><br />Specifications:<br /><br />Color: silver + black<br />Inner hole: &amp;Phi; 6.4mm<br />Install the potentiometer shaft:&amp;Phi;6.4mm<br />Installation: fixed thread by the side<br />Material: ABS+ Brass+ Aluminium brass<br /><br />Package included:<br /><br />1 x Guitar AMP Amplifier Knob