Yale Simplicity Kit Mortice Lock, Size 3 Slide Rail Door Closer, S1 Lever Set With Escutcheon & Turn YSK/S1TSS The Yale Simplicity Series is total door solution specifically targeted at the multi-residential development new construction market. Supplied in a consolidated door kit the Yale Simplicity Series incorporates a range of stainless steel rose door furniture, a mortice lock and door closer specifically intended for use on apartment doors. Benefits Lock, door furniture and door closer all site handable and provided in a consolidated entry door kit simplifying the supply and installation process 2 hour fire rated Complimented with passage and privacy lever sets for a total apartment solution Door Thickness 32mm to 45mm Fire rating Yale Simplicity Series Leversets, Mortice Locks and Door Closers have been successfully tested up to 2 hours on fire door assemblies (depending on type of doorset) in accordance with Australian Standard AS1905.1:2005, Fire Resistant Doorsets.