uxcell Knurled Shaft 6mm Hole Potentiometer Volume Control Knob Cap 60 Pcs Product Name: Potentiometer Knob; Country of Manufacture: CHINA Brand: DMiotech; Material: Plastic Net Weight: 73g; Package Content: 60(+/-2%) x Potentiometer Knob Main Color: Black , Red , Blue , Yellow , White; Shaft Hole Dia.: 6mm / 0.24" Overall Size: 17 x 15mm / 0.67" x 0.6"(L*D)