Schlage deadbolts safeguard your home and family with superior protection against attack by crowbar, hammer, wrench, saw, lock pick and kick-in. Heavy, premium metal constructionAnti-pick shield and one-piece exterior to protect against tamperingUnique Snap and Stay design which enables easy, one-person, no extra hands needed installationANSI Grade 1 - professional grade securityAdjustable design to fit all standard door preparationsOperated with key on exterior and thumb turn on interior trim