As a global leader in security-related products and services, the Brinks name is synonymous with top quality merchandise designed to keep you, your family and your valuables safe. In keeping with this tradition, our oval handset with ball style doorknob and deadbolts sets are expertly fabricated with all metal constructed to meet ANSI Grade 2 standards for pick, drill and bump resistance. Additionally, they include an anti-pry shield with a 4-way adjustable latch that fits any 2-3/8" or 2-3/4" backset and 2 fixed backset latches for the handset: 2-3/8" or 2-3/4". Brinks doorknobs are built with a square spindle drive for easy installation and strength and our 1" deadbolts include a steel anti-saw pin for additional security. Each set is designed to fit all doors 1-3/8" to 1-3/4" thick. Lifetime warranty are included.