Manufacturer Olympus Lock Model 850LCA-26D Keyway Will accept other manufacturer’s Schlage-compatible deadbolt or key-in-knob cylinders Rekeyable Easily rekeyable via cylinder release mechanism Barrel Length 1-1/8″ Barrel Diameter 1-1/8″ Finish 26D (Satin Chrome) Cylinder N/A – this lock is sold less cylinder Keying Less Cylinder US Patent No. 5,657,652 ANSI/BHMA Passed ANSI/BHMA A156.11 Grade 1 cycle testing. Obtained Grade 2 performance for all other requirements. Warranty 1 Year Warranty Weight 0.5000