ITEM NAME:Potentiometer Volume Control Knob Cap with 100 Piece, Knurled Shaft 6 mm Di M5Z7 Potentiometer Volume Control Knob Cap with 100 Piece, Knurled Shaft 6 mm Di M5Z7 Product Name: Potentiometer Knob Net Weight: 124g Shaft Hole Dia.: 6mm / 0.24 inch Overall Size: 17 x 15mm / 0.67 x 0.6 inch(L*D) Potentiometer Rotary Knob is useful for connect the rotary potentiometer, usually multitier linear potentiometer which always use as volume control switch. A type potentiometer volume switch, clockwise and anti clockwise rotary control. Replacement part for audio device, 6mm round shaft can be push on it easily. Color: blue+black Material: Plastic Packaging includes: 100pcs * potentiometer knob Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.