Nova Magnetic Flat Laps

Greetings Orchid-Land

I have a Diamond Pacific “Genie” Lapidary unit and I am thinking
about buying the Nova Resin Magnetic flat laps that magnetically
attach to a metal disc on the left end of unit.

I like the idea of the ease of changing the laps rather than the
traditional style. Does anyone have experience with this style and
feedback either positive or negative?

Thank you for your help.
M. Frison