Kranmer wrote:Its incredibly easy to make but with out very good measurements all around, I can only guess.

Does anyone have a set of calipers and one of these tools they can spec out? It sounds like I am not the only one who wants one of these in their tool bag and I admit, I am very curious to see how well they work.
I'll dig mine out if I need to. The scan that steve0527 posted is my tool. Don't worry about the ends, they are warded picks and if you want warded picks then you will be better off to spend the 10 bucks to buy them and you will get all of them.
As steve0527 said just make the gaps in the middle of the tool 3/16" on one side and 1/4" on the other and leave some length on each end to put tension on the lock. When I bought this it came with a tension tool to use as the pick. You can use anything as a pick that will push the pins down.