FEATURES : •Meet ANSI grade 3 specification •200,000 Cycle Turns Tested •Stainless Steel or Solid Brass Construction •ISO 9001: 2015 Quality Standard •Premium Quality Material •60-70mm (2-3/8” to 2-3/4”) Backset •Fit doors 35-50mm (1-3/8” to 2”) Thickness •Key operated outside, thumb turn inside