Unboxing Schlage B660P Deadbolt Lock | Mr. Locksmith Surrey: One of my favorite Deadbolt Locks and one of the most popular and versatile deadbolts we sell is the Schlage B660. The Schlage 66o is a Commerical Grade Deadbolt but looks fantastic on Residential Door. The Schlage Deadbolt is very versatile because we can change the […]