Tubular and cylindrical handle lock features: combines all the outstanding features of cylindrical and tubular locks. Resolved the problem that the lock lever becomes loose because of the aging lock spring. Prevented the latch from tilting due to the excessive size of the door hole. Lock lever will never hang down and will always stay vertically. This tremendously improves the lock's mechanical function and service life. Interchangeable left and right levers accompanied with 75mm oversized plate. The heavy levers provide a classic taste. Easy to install, stylish design in appearance.