Collection: SOLSTICE/COLLINS Finish: MATTE BLACK Application: MANUAL . Easy installation Fits all standard door preparations Keyed entry function with turn button locking Certified commercial grade 3 Matte black finish SPECIFICATIONS: Backset: universal - fits either 2-3/8" or 2-3/4" backset Door thickness range: 1-3/8" to 1-3/4" standard