The Yale Commercial Series Locksets incorporate a cylindrical chassis design housing a PD cylinder. The Yale Commercial Series offers a wide range of functions to accommodate a broad range of applications. For added security, it is recommended that Yale Commercial Series Knob and Lever Locksets are used in conjunction with Yale Commercial Deadbolts. Features: Fire Rated Yale Commercial Series cylindrical locksets have been successfully tested for up to 2 hours on fire door assemblies in accordance with Australian Standard AS-1905 Part 1, Fire Resistant Doorsets. Entrance Set Operated by key from outside and turn snib from inside. Privacy Set Operated by turn snib inside with outside emergency release. Passage Set The outside and inside knob/lever are always free. Specifications: Finish: Stainless Satin Steel Backset: Standard 60mm backset for key in knob. Latch: Stainless steel latch bolt. Cylinder: Standard “PD” type cylinder keyed to C4 profile with two keys. Door Thickness: Knob suits door thickness 32 – 46mm. Standard Keying: Supplied individually keyed with two keys per lock, 78,000 key combinations Key blanks: V06 5PIN C4 (Standard) Restricted Special Keying: Yale Semi-Commercial locks can be keyed to a number of controlled and/or specially keyed systems. These range from legally protected keys to protect against unauthorized duplication, which can also include specially designed key systems such as master key systems, which allow for different levels of mechanical access control.