Those of us familiar with PCB work would agree that anything that ... one can have all the hands-free probe clamps one’s workbench can fit! That first link is where you’ll find a list of ...

[Paul] used a 4″ (10 cm) clamp; that which looks fine for a wide ... onto Technic pegs go into the holes on the beam to hold the PCB edges firmly, while the swiveling action adapts to odd ...