ROFU 2435 Kit electric strike is designed for use with heavy duty mortise locksets as well as cylindrical locksets. With five different stainless steel faceplates, ROFU 2435 is versatile in accommodating a range of locksets and is field reversible from fail-secure to fail-safe. The sliding keeper shim design allows flexibility of up to 1/8” (3 mm) and the strike can also accommodate deadbolts up to 1”. More Info: www.rofu.com