MULTICOMP
旋钮, 顶部带指示线的圆盘, 38 mm, 圆形, 6.35 mm, 铝
MENTOR
旋钮, 圆形杆, 6 mm, 塑料, 带指示箭头的手指握杆, 38 mm
ROUND DIAL KNOB, 6.4MM