304 Stainless Steel Fire Door Fire Door Lock with Key Three-Lever Handle Lock Replacement Ball Lock Bathroom Keyless Door Lock(55MM-KEYLESS)

==========High-concerned chemical : NoneIs Smart Device : NoKeys Included : YesFit Door Thickness : 35-50mmApplication : bedroomSurface Finishing : BrushedMaterial : Stainless steelModel Number : Bathroom stainless steel door lockproduct material : 304 stainless steelHandle material : 304 stainless steelLock body : 60-70 adjustable,55MM door marginDoes the product come with a key? : Keyed/keylessApplicable scene : Fire door/bedroom/bathroom

• Constructed with 304 stainless steel for high strength, rust resistance and long service life, suitable for fire doors, bathrooms and high-frequency use areas.
• Three-lever stable mechanical structure ensures smooth and quiet operation, effectively reducing jamming and extending service life compared with ordinary ball locks.
• Dual-function design supports keyless privacy locking for bathrooms and keyed access for fire doors and public passages, meeting multiple safety requirements.
• Perfect replacement for old or damaged ball locks, compatible with standard door holes, no extra drilling needed, easy to install and save maintenance cost.
• Compact and durable appearance fits home, office, hotel and commercial scenes, providing reliable security and privacy for interior doors.