The utility model discloses a novel individual malposed tooth construct, hasp including having joint portion still includes at least one locking unit, and locking unit is equipped with the key hole including establishing the lock body on the hasp right side on to the key is at the downthehole turned angle who rotates the unblock of key for separating the locking angle, locking unit still include at least one can with the joint piece of joint portion joint, be equipped with shifting part on the joint piece, shifting part establishes in separating the locking angle. At the boss that is equipped with joinable shifting part on the key of adaptation, after the key inserts the lock body, but if key lock body adaptation, the key can rotate so, and the rotation of key can let the boss stir the shifting part on the joint piece, lets the joint piece leave joint portion to the unblock hasp. The utility model discloses can't explain with current any unlock method, so the utility model discloses has superstrong theftproof performance. The utility model is used for the tool to lock.