Description: General electronic components electronic tool equipment repair and replacement accessories. Easy DIY installation no tool deeded 6mm slot. Each item has been tested and checked in good condition. Durable and lightweight convenient disassembly. Ideal replacement for you old or broken knob. Specification: Material: Plastic Size: Approx. 15*15*16 mm/0.59*0.59*0.63 inch Package Includes: 100 Pieces Potentiometer Knob Note: Please allow slightly measuring deviation due to manual measurement.