I use both. For L wrenches, PB Swiss are the best made. They are pricey but well worth the cost. I use alot of their tools every day at work and have never broken one in the past 5 years. They don't even show any signs of wear. All of their tools are ultra high quality.
http://pbtoolsus.thomasnet.com/viewi...socket-scre-2?
They also have an RC tool set. Again, it's pricey.
http://pbtoolsus.thomasnet.com/item/...=prod&filter=0