RMAlSx-25x15.5 Silver Ribbed Aluminum Knob Ø25×15.5 mm (Side Set Screw, Colored Rubber Rings)

RMAlSx-25x15.5 is a premium ribbed aluminum control knob with a silver anodized body, designed for high-end electronic equipment. Manufactured from a solid aluminum alloy, the knob features a diameter of 25 mm, a height of 15.5 mm, a 6 mm shaft hole, and a side set screw for secure attachment to potentiometers or rotary encoders. It includes interchangeable colored rubber rings available in six options — Red, White, Black, Blue, Burgundy, and Gray — providing enhanced grip, improved ergonomics, and visual customization.

Key Features

• Solid aluminum alloy construction
• Ribbed surface for excellent grip and precise adjustment
• Silver anodized body
• Dimensions: Ø25 mm × 15.5 mm height
• 6 mm shaft hole for compatibility with most potentiometers and encoders
• Side set screw for strong and reliable fastening
• Colored rubber ring options: Red, White, Black, Blue, Burgundy, Gray
• Durable, corrosion-resistant finish
• Compatible with potentiometers and rotary encoders

Applications

• Power amplifiers
• Hi-Fi and audio equipment
• Multimedia systems
• DIY tube amplifiers
• Electronic measurement instruments
• Medical and laboratory devices
• Industrial and control equipment
• High-end electronic appliances

If you need OEM customization, special ring colors, logo engraving, or wholesale quantities, please contact us at: sales@romaks.ltd.