This is a set of eight knurled, chrome-plated knobs for knurled-shaft 6mm potentiometers. These knobs make a great, inexpensive finishing touch for your special build, and provide a nice "premium" look that plastic knobs just can't give. These knobs are metal with a plastic insert that fits over the 6mm or 1/4" pot shaft. Please note the sizes below and make sure they will fit your intended usage.
Here are the sizes of these knobs:
Outside Diameter: .725" / 18.4mm
Height: .705" / 17.9mm)
Inside (Shaft) Diameter: 1/4" / 6mm