Specific illustrative embodiment of the present invention is a lock locking system comprising a lock cylinder and rack alignment tool, the lock cylinder includes a cylinder body, is disposed in the cylinder body, reposition a plurality of pins and a plurality of pins includes a rack alignment tool receiving hole formed in the plug assembly including a one-to-one correspondence with a plurality of racks for, and the lock cylinder, and the rack alignment tool, and includes a elongate forked branches spaced apart in the base plate and a plurality , respectively, each of said plurality of fork-shaped branch portion includes a first longitudinal end that is coupled with the rack a corresponding one of the plurality of racks, and wherein a plurality of fork-shaped branch portion is a rack, a corresponding one of the plurality of racks a first pre-determined position so as to re-position by having a dimension in the longitudinal direction, wherein the first predetermined position each of said plurality of racks Common and about each of the plurality of fork-shaped branch portion has a second longitudinal end which is connected to the base plate, the rack alignment tool of the plurality of the plurality of rack carrier assembly comprising a plurality of rack the lock provides a locking system which is thereby constrained to the non-engagement position that is not combined with a pin. This summary emphasizes that provided for in the rules requiring an abstract that will be able to quickly know the gist of the technology searches or other readers of this information. This summary is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. The lock cylinder, the cylinder body, the plug assembly, the rack alignment tool, the base plate, elongate forked branch, the handle, the carrier potential tool