Description Are you looking for a professional yet affordable guitar amp knob? Are you in search of a sturdy trustworthy tool that can do multiple jobs at once? If yes look no further! Our professional guitar amp knob must meet you needs. It is one of the best choices for you. Features - Color: Black. - Size: 1.7 x 1.5 x 1.5 cm. - Material: Plastic. - Vintage and classical style. Plastic control potentiometer knob to be assembled to a potentiometer for easier rotation. - If your knobs are dirty dingy and old or just want to dress up your guitar...these will work great. - Fit for D-type shaft pots of most bass guitar. - Made of high grade material durable in use. - Lightweight easy to carry and use. - Dear buyer due to lighting effect monitor s brightness manual measurement etc. there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!