Tape measure providing access to the spooled blade

A tape, the tape with the shell; the shell is provided with a concave of the plate, the foot is capable of the outer shell to provide a manner of opening, wherein the tape with is a to the ruler piece is loop to wherein an of the spring and is located on the ruler is free end cover, wherein tape is arranged in the outer shell frame and is used to the ruler is provided with a different opening hole comprises at least one, permit the outside thumbs or fingers layer contacted with the coiling a foot component.