The Yale 81 is a 60mm nightlatch with rollerbolt to allow push/pull action. The rollerbolt is also an extended throw deadbolt, which can be unlocked from both sides.
- Bolt extends from 9mm to 20mm when thrown
- 2 year guarantee
- Prevents accidental lock out
- Key operation from outside
- Turn handle operation from inside
- Versions including a cylinder supplied with 2 keys