Industrial Duty Commercial Single Cylinder Deadbolt, UL 3-Hr Fire ANSI Grade 1, Satin Chrome Finish

The Universal Hardware SIngle Cylinder Deadbolt has a 3-hour UL fire rating and is ANSI Grade 1. It has an internal collar to prevent prying and wrenching and an anti-saw pin in the bolt. The latch has a 1 in. bolt throw.