Yale 5120 Series Standard Duty Cylindrical Door Knob Set This Yale door knob range is recommended to be used on internal doors, with a wide range of functions like bathroom, passage, storeroom and more. Standard: ANSI / BHMA A156.2.2003 Testing Cycles: Guaranteed for 175,000 cycles tested Materials: - Chassis: Steel - Latch and Bolt: Zinc - Strike: Stainless Steel / Brass - Knob: Stainless Steel / Brass - Rose: Stainless Steel / Brass Backset: 60mm / 70mm Door Thickness: 35 ~ 45mm Function: Entrance, Bathroom, Passage, Storeroom Cylinder: Solid brass 5-pin tumbler cylinder No. of Keys: 3pcs of nickel plated brass key Master key available upon request Model No. BR, CA, CN, OV, MY Finishes: Polished Brass (US3), Antique Brass (US5), Antique Copper (US11), Satin Stainless Steel (US32D) Downloads Yale Door Knob Sets Catalog (.pdf, 3.8 MB) Close Yale 5220 Series Medium Duty Cylindrical Door Knob Set Yale 5800 Series Heavy Duty Cylindrical Door Knob Set Yale 5280 Series Medium Duty Tubular Door Knob Set