Features: Stainless steel material Adopted high stainless steel quality,which is not easy to corrode and rust,it is much durable and sturdy. Easy to installation Easily and fast Install lever door handle without panic and meets ADA requirements. Perfect design and function Contemporary design Lever with concealed screws,which suits for interior doors where a privacy locking function is required, such as a bedroom or bathroom. Adjustable Latch Adjustable latch fits 54mm back set in any old door and new door.Update door latch is available for inside/outside door, inside/outside door reverse door opening. Privacy Bed And Bath Lever The privacy/bed/bath function is ideal for bathrooms, bedrooms, and any room where privacy is needed. Can be locked using the push button function from the inside and can be unlocked from the outside by an emergency key.   Quality Control We have a strict standard on raw materials and will proceed more than 6 times inspection during the mass production, including the artificial selective examination and machine upon request if necessary. ·Raw material ·Pre-product sample ·In-process standards ·Pre-shipping