This product has been designed and tested to meet the strict Yale performance standards against defects in workmanship and material. Features and benefits: • 2-3/8” (60mm) 60mm Backset • Door Thickness: 1-3/8” to 2-3/16” (35mm – 55mm) • Snib to deadlock or hold back the latch • 3 keys supplied • Anti-bump • anti-rust anti-picking and anti-sawing properties • Available finish : GL – Gold Lacquer & AB- Antique Brass