10PCS Rubber Half Shaft Knob Diameter 11.5mm Height 14mm Soft Rubber Potentiometer Knob 180 Degree D-Shaped Inner Hole 6mm

10PCS Rubber Half Shaft Knob Diameter 11.5mm Height 14mm Soft Rubber Potentiometer Knob 180 Degree D-Shaped Inner Hole 6mm

Aliexpress UK