• Body Size : 28mm x 13mm Diameter
• Bolt Size : 30mm x 6mm Diameter
• 2 Lock bolts with 1 key

Era 829 Metlock is suitable for most outward opening hinged metal windows including some Crittall windows. Lock body slides between window handle forks, then the key is used to tighten the steel locking pin against the window frame, thus preventing movement of the handle.