Abstract: A tool box contains: a holder, a cover, a first peripheral fence, and a second peripheral fence. The holder includes a first abutting rib extending upwardly from a top end of a peripheral wall thereof. The cover is used for covering the holder, and between the holder and the cover is defined an accommodating space to accommodate tools. The first peripheral fence is arranged around the peripheral wall of the holder. The second peripheral fence is arranged around an outer wall of the cover and includes a contacting face extending inwardly from a bottom end of the second peripheral fence to contact with the first abutting rib of the holder.

Abstract: A lockable tool box contains: a base, a top cover, a connection unit, and a locking unit. The connection unit is in connection with a first side of the base and a first side of the top cover. The locking unit includes a first fixing member, a second fixing member, a rotating seat, a movable cap, and a lock button. The first fixing member has an engaging slot and a retaining slot, wherein the retaining slot has a through orifice and a stop cliff; the second fixing member extends outwardly from the base, and the rotating seat is coupled with the second fixing member and is joined with the movable cap. The movable cap has an affix block and a trench, the lock button is slidably retained in the trench of and is moved between a locking position and an unlocking position, wherein the lock button has a protrusion.