Yes, they are quite good, I bought one for 2 reasons...............
one for the security piece of mind thing and more importantly at the time I was looking at different ways of fitting a drivers bucket seat as low as possible and although not a lot this QR boss allowed the steering wheel to come back just far enough to allow the seat to be mounted a bit more behind the cross bar thing in the floor, thus (when sitting in my seat) my arse was about 40mm closer to the ground than it was in the standard seating position, so much so that I had to mod the already adjustable steering column to allow the steering wheel to come down more, very pleased with the end result............
it was so good I thought I'd strip the car for bits :doh: