RoHS: yes. Component family: potentiometer knobs. Manufacturer's product group: 21. Potentiometer accessory type: rotary knob without cover. Outer length [mm]: 15mm. Outer width [mm]: 15mm. Outside diameter [mm]: 15mm. External height [mm]: 17.5mm. Number of turns: continuous. Registration: screen printed line. Color: black. Surface: glossy coating. Material: polyamide