Horrible locks to pick. I have 2 of their basic 5 pinners here with the bog standard GE1 keyway and I can't pick either of them. I made a key for one, and even after having it completely apart I can't tell what's going on in there. Aswell as the serrated drivers, the plug chambers are countermilled... only a tiny bit, but it still causes problems. They always have wacky bittings too... very underrated locks. Some people can pick them easily enough, but I haven't got the feel for them one bit.