Provides 1-1/4'[31.75mm] of lateral movement to accommodate most openings and allows for precision adjustments (2-1/4' to 3-1/2' [57.15mm to 88.9mm] from door/header). MagnaCare lifetime replacement, no-fault, no questions asked warranty. Use on in-swing doors with Magnalock 'F' options (8-1/2' [215.9mm] overall length). Includes an oversized dress cover