Discover the inner workings of a mortise and cylinder lock, first developed by the Egyptians over 4000 years ago, with the Beginners Lock-Picking Blend set by TOOOL (The Open Organization Of Lock-pickers). Each set contains 8 handpicked tools that will get you on your way to opening a variety of different locks. Already have a lock pick set? Check out the credit card sized TOOOL Emergency Lock-Pick Card.