Wear-resisting and anti-rust.
Durable and long service life.
Can be used for rc models of drone, helicopters, planes, etc.
4 x 3.0/4.0/5.0/6.0mm Phillips Screwdriver
Actually not used them yet but they seem very well made and finished off. I bought them to rebuild my sons remote control car. Looks like they’ll last. I think I would like to have seen longer head section so that if it wears the head can be ground down to be new.