【Brand New】 Set of 4 control knobs. Compatible with BOSS effects pedals, etc. The photo shows an example of them installed on a DD-6. Please check the knob shape of your effects pedal. We also have a variety of colors available, so please check my page. Please feel free to inquire about combined shipping or quantities of 4 or more. 【Product Description】 These control knobs have a smart design and create a different texture from regular knobs. Despite the low price, they have a good feel, making them perfect for artists who want to customize their effects pedals. They enhance your unique playing style and add a new dimension to your musical expression. They are accessories that allow you to express your originality with various effects pedals. We also sell other guitar parts, so please feel free to inquire about combined shipping. Other listings are here Accessories...Other Accessories/Parts...Other