Feature：5300 Series Cylidrical Grade 2
Edge Distance : 70mm or 60mm
3.Plastic Strike Box
Performance testing : Product is certified by the Underwriter's Laboratories (UL and ULC Listed)
Function description : Push-button locks outside knob until unlocked by key or turning inside knob. Pushing and turning button locks outside knob requiring use of key until the button is manually unlocked. Inside knob always active.