I've never ordered direct from him-- I never will because of all the valid concerns in this thread.
I've acquired several of his handles via the Exchange as singles or bundled in with the blades I purchased.
I've found his work very hit or miss.
They the gamut from outstanding to flat out won't work.
Something about a lot of these aftermarket scale & handle makers makes them very unreliable.
Could it be inhaled g10 dust interrupting neuron nerve signal transmission? Solvent sniffing?
There's a HUGE business opportunity here for an enterprising, honest, and trustworthy young person.