A tool box includes a main part having a connection portion and a locking member which is directly or indirectly connected to the connection portion. A restriction portion and a block extend from the main part. A reception portion is defined therein so as to receive objects therein. A base has a connection portion supporting the restriction portion of the main part and the locking member connects the main part to the base. A recess is defined in the base and the blocks are located above the recess. A positioning portion is located in the base and restricts the locking member. A movable part has a pivot which is rotatably located in the recess of the base. A locking portion of the movable part connects the movable part to the main part. An inner box is located in the movable part so as to receive tools therein.