dazdaz,
You have totally missed the point, as have several other posters here.
These are NOT "pen pointers", but l@zers with over a hundred times the power.
We're talking about the kind used for "l@zer light shows", and for professional applications, such as l@zer marking, and industrial laser cutting.
They are feckin' dangerous when not used under controlled conditions.
Unfortunately, they are still being sold as toys!