Mm Small Signal NPN Transistor, TO-92"/> 4675f71e05fc19d3608ee6e5061bbe79ae432fb7 panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // one more to mount a circuit board sideways on HP = 5.07; // 5.07 for a press-on type knob (rather than using a setscrew). (ShaftLength must be.