Features:Hole: Universal 6mm (round)Material: plasticQuantity: 10pcsType: Electric Components,OtherPackage weight: 0.044 kgProduct Size(L x W x H): 1.60 x 1.40 x 1.40 cm / 0.63 x 0.55 x 0.55 inchesPackage Size(L x W x H): 7.00 x 9.00 x 2.00 cm / 2.76 x 3.54 x 0.79 inchesPackage Contents: 10 x Potentiometer Plastic Knob