Inner Diameter: 6mm / 0.2in; Diameter: 27mm / 1.1in; Height: 15mm / 0.6in; Fixing Form: Side Screw Fixing High quality potentiometer knurled knobs specially used for potentiometers; made of premium material, sturdy and durable There are total 5 pieces of caps and 5 pieces of digital dial scale plates in one set that you can use for many projects. Smooth surface, suitable for most potentiometers, easy installation Convenient to use, good accessories for DIY or replacing broken ones Features: Made of premium material, sturdy and durable. High quality knurled knobs specially used for potentiometers. There are total 5 pieces of caps and 5 pieces of digital dial scale plates in one set that you can use for many projects. Smooth surface, suitable for most potentiometers, easy installation. Convenient to use, great accessories for DIY or replacing broken ones. Specification: Inner diameter: 6mm / 0.2in Diameter: 27mm / 1.1in Height: 15mm / 0.6in Fixing form: side screw fixing Package list: 5 Potentiometer Knobs 5 Digital Dial Scale Plate