This digital turning knob from Mentor has been designed for precision potentiometers. Assemble direct onto the potentiometer spindle. * Readability 1/500 rotation * Axle Ø: 6mm * Colour: Black * Up to 10 turns * Locked by means of a dial brake lever * Manufacturer's part 6622.1001 https://elecena.pl/product/27736431/mentor-6622-1001-digital-turning-knob-6mm-shaft-30-4mm 2025-01-22 https://elecena.pl/product/27736431/mentor-6622-1001-digital-turning-knob-6mm-shaft-30-4mm 2025-07-16 https://elecena.pl/product/27736431/mentor-6622-1001-digital-turning-knob-6mm-shaft-30-4mm 2026-05-01 https://elecena.pl/product/27736431/mentor-6622-1001-digital-turning-knob-6mm-shaft-30-4mm 2026-07-07