A tool box comprising: a body including a front end and a force-receiving portion spaced from the front end in a first direction, with the body further including first and second sides (23 and 24) spaced in a second direction perpendicular to the first direction, with the body further including first and second lateral walls spaced in a third direction perpendicular to the first and second directions (X, Y) and extending between the front end and the force-receiving portion, with the first and second lateral walls, the front end, and the force-receiving portion integrally formed as a single and inseparable component of a same material, with the front end including a compartment, with a receiving space (251; 251A) defined between the first and second lateral walls and having an opening (252; 252A) in the second side or in the force-receiving portion, with the force-receiving portion including an insertion groove extending in the first direction, with the insertion groove in communication with the compartment of the body; a ratcheting mechanism (30; 30A) including a main body (31; 31A) mounted in the body, a ratchet wheel (32; 32A) rotatably received in the main body (31; 31A), and a switch device (33; 33A) for controlling the ratchet wheel (32; 32A) to be rotatable in a clockwise or counterclockwise direction or to be not rotatable in either of the clockwise and counterclockwise directions, with the ratchet wheel (32; 32A) rotatable about a rotating axis parallel to the first direction, with the insertion groove extending along the rotating axis of the ratchet wheel (32; 32A),with the ratchet wheel (32; 32A) located in a quarter corner of the body adjacent to the front end and the first side, with a driving groove defined in an end of the ratchet wheel (32; 32A) and extending along the rotating axis, with the driving groove adapted for engaging and driving a shank to rotate, with the insertion groove receiving the shank when not in use; and a rack (40; 40A) removably received in the receiving space (251; 251A) of the body via the opening (252; 252A), with the rack (40; 40A) adapted to receive a plurality of bits. a body including a front end and a force-receiving portion spaced from the front end in a first direction, with the body further including first and second sides (23 and 24) spaced in a second direction perpendicular to the first direction, with the body further including first and second lateral walls spaced in a third direction perpendicular to the first and second directions (X, Y) and extending between the front end and the force-receiving portion, with the first and second lateral walls, the front end, and the force-receiving portion integrally formed as a single and inseparable component of a same material, with the front end including a compartment, with a receiving space (251; 251A) defined between the first and second lateral walls and having an opening (252; 252A) in the second side or in the force-receiving portion, with the force-receiving portion including an insertion groove extending in the first direction, with the insertion groove in communication with the compartment of the body; a ratcheting mechanism (30; 30A) including a main body (31; 31A) mounted in the body, a ratchet wheel (32; 32A) rotatably received in the main body (31; 31A), and a switch device (33; 33A) for controlling the ratchet wheel (32; 32A) to be rotatable in a clockwise or counterclockwise direction or to be not rotatable in either of the clockwise and counterclockwise directions, with the ratchet wheel (32; 32A) rotatable about a rotating axis parallel to the first direction, with the insertion groove extending along the rotating axis of the ratchet wheel (32; 32A),with the ratchet wheel (32; 32A) located in a quarter corner of the body adjacent to the front end and the first side, with a driving groove defined in an end of the ratchet wheel (32; 32A) and extending along the rotating axis, with the driving groove adapted for engaging and driving a shank to rotate, with the insertion groove receiving the shank when not in use; and a rack (40; 40A) removably received in the receiving space (251; 251A) of the body via the opening (252; 252A), with the rack (40; 40A) adapted to receive a plurality of bits.