10PCS Rubber Half Shaft Knob Diameter 12mm Height 16.5mm Soft Rubber Potentiometer Knob 180 or 270 Degree D-Shaped Inner Hole 6m

10PCS Rubber Half Shaft Knob Diameter 12mm Height 16.5mm Soft Rubber Potentiometer Knob 180 or 270 Degree D-Shaped Inner Hole 6m

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