I personally haven't used them but I've heard good feedback. They have built in teflon buttons that make them quiet and smooth in use. My buddy fitted a set on his 46 F*rd sedan and is really pleased with the result,and as Waldo said they've been about for a while! So I guess they must be doing something right grin
Jock.

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.