In Active Shootbolt Hoppe Top Extension 8778767 HOPPE DOOR HARDWARE Pushing button locks outside knob J170 DOV 621 8" Door Knocker Imperial Solid Brass Options:NRP 2 Allegro Handles

Pushing button locks outside knob until unlocked with key or inside knob is turned

Keys are also available with RFID/PROX coil insert for dual use with HID compatible systems

Anti-Pry brackets in the interior provide additional strength and security

Hoppe 16mm Manual Top Extension

In Active Shootbolt Hoppe Top Extension 8778767 HOPPE DOOR HARDWARE Pushing button locks outside knob J170 DOV 621 8" Door Knocker Imperial Solid Brass Options:NRP 2 Allegro Handles Pushing button locks outside knob until unlocked with key or inside knob is turned Keys are also available with RFID PROX coil insert for dual use with HID compatible systems