Massachusetts General Laws Part IV. Crimes, Punishments and Proceedings in Criminal Cases (Ch. 263-280) Ch. 266, § 49

Whoever makes or mends, or begins to make or mend, or knowingly has in his possession, an engine, machine, tool or implement adapted and designed for cutting through, forcing or breaking open a building, room, vault, safe or other depository, in order to steal therefrom money or other property, or to commit any other crime, knowing the same to be adapted and designed for the purpose aforesaid, with intent to use or employ or allow the same to be used or employed for such purpose, or whoever knowingly has in his possession a master key designed to fit more than one motor vehicle, with intent to use or employ the same to steal a motor vehicle or other property therefrom, shall be punished by imprisonment in the state prison for not more than ten years or by a fine of not more than one thousand dollars and imprisonment in jail for not more than two and one half years.