Exclusive silvabond antimicrobial protected finish</br>Security sets provide deadbolt and keyed entry knob that work with the same key</br>Dependable security?? meets ANSI grade 3 standards</br>Aged bronze finish</br>Includes complete instructions for easy installation</br></br>Product Description</br></br>Master Lock DSO0705 double cylinder deadbolt. Antique brass finish. Deadbolt is four way adjustable?? 2-3/8-inch or 2-3/4-inch backset?? square or rounded corners. The silvabond antimicrobial protected finish has proved to be very effective in controlling bacteria?? mold and mildew on surfaces. Independent laboratory testing has confirmed the effectiveness of this long lasting and durable finish. Double cylinder deadbolt. Easy to install lock fits all doors. Replaces all brands and exceeds ANSI Grade 3 specs. 5-pin kwik set keyway. Adjustable 2-3/8-inch or 2-3/4-inch latch with 1-inch throw. 10-Year limited warranty.</br><br/>http://www.amazon.com/gp/product/B002CZPVPK