I've seen and tried a set, they really are nice!
I'm soon to order a set for my 48.
If you're an Aliance Member over at the HAMB you get a 10% discount from the manufacturer
http://www.triquemfg.com/category-s/1821.htm

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-