Every machinist chest I ever bought has had at least a dozen hex keys (allen wrenches). Now I've got 12 pounds of them (not kidding - I just threw them all on the postal scale.) all jumbled up into one big pile. Does anyone sell a hex key gauge - something like those flat metal drill gauges with all the holes but this would have hex-shaped holes instead? I'd like to sort them out into sets and keep a couple each of metric and imperial, get rid of the other 10 pounds worth. I thought I'd use my cheapo HF digital calipers to quickly sort them but the @%^ thing gives different readings each time I use it and there is no way I'm sitting down with the magnifying visors and a real micrometer to measure each one - I'd rather throw out the whole 12 pounds and just buy new sets if it came down to that. Surely someone makes a gauge of some kind right?