Deadbolt thrown or retracted by key from outside or by inside turn unit. For more than 95 years, Schlage has offered durable door hardware in a range of unique style combinations to express any personality. Unique snap and stay design holds deadbolt in place while tightening screws. Universal latches slide easily into place and require no tools or manual adjustments. Keying 5-pin tumbler C keyway standard, with two brass keys. 6-pin cylinder available. The double cylinder deadbolt provides maximum security protection with style and design.