To improve crime preventiveness particularly from illegal tearing off from a side face in crime preventive equipment installed for crime prevention of a locker or the like for storing keys.

The crime preventive equipment 1 installed for crime prevention of the locker or the like for storing keys adopts constitution of providing a base 2 installed on a wall surface 21 or the like, and an upper case 4 installed on the front face of the base 2 and fixed to the base, and arranging a reinforcing member 3 of metal or the like between the base 2 and the upper case 4 along the inside of the base 2. The reinforcing member 3 and the base 2 are jointly fastened to a switch box cover 15. A pole 2b for fixing the reinforcing member 3 and the upper case 4 is arranged at the base 2, and the reinforcing member 3 and the upper case 4 are jointly fastened to the pole 2b by screw. Further, the reinforcing member 3 is arranged even to the outside of the pole 2b.

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