I've tried most of them.... even owned a fed hill one for a while.
The best one I currently know of is made by Brakequip, I have the larger set and really do like it. It's not cheap but is a super tool and a very good value. A few steps ahead of the fed hill one I had, and for less money to boot.

Brakequip makes a smaller set that would suit most needs, if several of you want one (big or small) I have an account with them and get a discount if I order a few at a time, send me a PM.

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-