One's straight, one offset, one reverse offset. Offset ones are probably 10-15 degrees. All are fine tooth. I've never seen one that has an angle like yours, I'll have to keep my eye out for one of those.
I purchased a Titan bit driver and used it last weekend working on cabinet drawer slides. It saved me from having to use a stubby screwdriver in a number of locations. They have a great polished finish. Not USA, but it's earned a spot in my toolbox.