http://www.graceusatools.com/item-details.php?item_id=31&category_id=2

These are American made and good quality for the price. I had been making do with grinding cheap screw drivers to fit, and of course buggered up some screws in the process. The handles are "Maine Hardwood" maybe Ash or Hickory, but looked a little bland so I soaked them in my root oil mix and now really like them. Never going back to the cheap ones again. I wish I had gotten quality screw drivers years ago. They have gun specific sets which are nice.

Make sure you have full purchase and you are square on the screw you are trying to remove, the ground tips are brittle. They fit snug and work when they are used properly.