Pyramid, Corbin Russwin’s patented cylinder, is the most secure locking system available. Pyramid cylinders are available in both high security and security versions. The high security version is certified by Underwriters Laboratories to UL437 standards. Pyramid High Security and Pyramid Security cylinders can be combined on the same master key system and one key can operate both cylinder types!

Applications

Especially recommended for installations requiring superior protection against picking, drilling and other surreptitious entry. Ideally suited for Educational and Healthcare facilities, Industrial and Commercial buildings.

Technical Data