(section: 3 / paragraph: a / line: 1)
For the class 1 lever the load point to load point measurements must be less than or equal to 40.0 cm. The size of the the fulcrum is irrelevant to this measurement.
(section: 3 / paragraph: a / line: 1-2)
The fulcrum connection and load location are points. The 40 cm maximum length will be from one to the other.