The Yale Entrance Cylindrical Knobset, Carolina, 5120 Series in Satin Stainless Steel has ANSI/BHMA security features.
It is guaranteed for 175,000 cycles as tested.
The knob, strike and rose are made of stainless steel and brass while the latch and bolt are made of zinc.
The chassis of knobset is made of steel. Used for the entrance, it features a solid brass 5-pin tumbler cylinder and comes with 3 pieces of nickel plated brass keys.