The ball lock on my old house is not easy to use, I don't want to smash the door frame and ask the master to spend money. Share a simple installation method that everyone has. Follow the steps to replace the lock in three minutes, saving time and money. Even beginners can get started with it.

If the door lock is loose and wobbling, the key is stuck when inserting and removing, or the lock is creaking and irritating, then the door lock should be replaced. The thickness of old-fashioned wooden doors varies greatly, and the original lock holes are misaligned. It is not cost-effective to ask a master to come and replace the lock for hundreds of yuan.

There is no need to open the door when changing the lock of the old house! This Yili Atomic Ball Lock is compatible with regular door thicknesses of 35-55mm, with an adjustable angled tongue and a heaven and earth hook. It does not require hole expansion or damage to the original paint surface of the storefront, and can be fixed in place with screws. The dual bearing handle rotates smoothly, making it easy for the elderly and children to open the door with one hand.

The whole machine is made of 304 stainless steel brushed material, which is moisture-proof and resistant to bumps. It is universal for bedroom, storage, and kitchen doors. The safety of the anti pry pin lock core is reliable, and the door is securely locked when closed. Paired with a silent closed structure, there is no harsh spring noise, and the door is opened and closed quietly. After installation, it opens and closes smoothly repeatedly, providing a strong sense of home security.

User Reviews

The old wooden door was replaced smoothly without any holes drilled, and the noise reduction effect was excellent. There is no more noise when closing the door!

The material is thick and easy to assemble in just over ten minutes, saving on on-site labor costs.