Pinlin Home Improvement Store is committed to provide different kinds of Furniture hardware for you. We constantly develop new products with different styles to meet the needs of different customers Different Function of Door Hardware & Locks:* Keyed Entry Function：Keyed entry door levers are commonly used on exterior doors and garage doors leading into your home. Keyed entry door levers can also be used in conjunction with deadbolts for added security.* Privacy Function：Privacy sets are used on bathroom and bedroom doors. Locked by turning a button on the inside and can be unlocked in case of emergency from outside by turning the slotted button using a flat object.* Passage Function：Passage sets are typically used on closet doors, bedrooms and other doors that you want to latch but do not lock.* Dummy Function：Individual Inactive Levers, typically used on interior doors where a push/pull function is required such as a pantry，Inactive door levers mount to the face of the door and do not require and door prepial & Finish: Stainless Steel; Satin NickelProduct Specification:Rosette Diameter: 65mmKnob Diameter: 53mm’s in the box:* Knob;* Mounting Screws;Service:Please feel free to contact us, if there is missing parts, we will arrange the reshipment for your ASAPacement or Refund for any quality problem.