Securitech -TRIDENT- Mutli-Point Exit Lock

http://www.Securitech.com/trident-locks Instant Deadbolt Protection Each Time The Door Closes. 4-Point Locking Stainless Steel Deadbolts Stainless Steel Anti-Pry Plate Stainless Steel Thru-Bolt Plates Installs in Under 2 Hours Hinge-Side Locking Bolt Surface Applied Bolt Protrudes From Door & Into Frame As Door Is Closed Deadbolts (not latches) provide maximum break-in protection w/total code compliance