The way to use one of these Barrel Lock Picks - Tube Lock Pick is to slide it into the lock and turn it clockwise. Eventually each pick is forced down until they become immobile. When the last pick is pushed down, the lock will open. With practice, opening a lock with these Barrel Lock Picks - Tube Lock Pick will take only a few seconds.

This Barrel Lock Picks - Tube Lock Pick comes with a decoder which lets the locksmith know the depth that the pins broke the shear plane. If the decoder is used after picking the lock, a tubular key can be cut to the correct pin depths so that the lock won't have to be replaced.

The shaft of this tubular lock pick measures about 2 1/2 inches. Each of the picks is 1 1/2 inches long. There are 7 picks. Overall the tubular lock pick is 3 3/4 inches.