• Durable and stable metal linear potentiometers. • Resistance of 9 values: 1 K, 5 K, 10 K, 20 K, 50 K, 100 K, 250 K, 500 K, 1 M Ohm. • Type: single line; knurled shaft; shaft diameter: 6 mm. • Colorful knobs: 5 styles, 9 pieces of each color. • Wide application: controls volume in audio devices. • Includes 45 sets of potentiometers and knobs. • Mounting thread diameter: 7 mm. • Base size: 16 x 7 mm. • Total length: 24 mm. • Material: metal. • Potentiometer knobs in yellow, blue, white, red, and orange colors.