Instant purchase is welcome. This is a used plastic control knob for Roland BOSS products. Compatible models: Roland BOSS Fantom FA-76 BR-8 MV-8000 BR-1200 JUNO-D BR-1600 RS-5 SH-32 SP-303 SP-505 and others - Color: Black - Material: Plastic - Type: Connector Please check the images for the size. These are often lost or missing when buying used items. I have multiple quantities available, so please comment if you need more, and I will do my best to accommodate you. The knobs have been cleaned with disinfectant wipes and packaged in a plastic bag. I will use cushioning material to prevent damage during shipping. There may be some dirt or scratches that could not be removed during cleaning. These are used items, so I hope you understand before purchasing.