This ad sells alluminium knobs for Roland MC-101. These are more convenient aluminum knobs with indicators that are easy to install and easy to use, they have a comfortable ribbed surface.
We manufacture and sell accessories for musical equipment. In this announcement we are introducing anodized aluminum knobs for musical equipment: samplers, drum machines, midi controllers. We include a special key for fastening the knobs with each set free of charge. See attached photos to this ad. more photos on my instagram @pavelxpowers