T-Series & Sentinel
The Thatcham Accredited T-Series key is designed to be the ultimate in security and strength. It is a double sided, dimple cut key; and is made entirely from nickel silver. The T-Series/Sentinel key can be used in both slamlocks and deadlocks
The S-Series key is designed specifically for applications where budgets are important yet quality and strength cannot be compromised. The S-Series uses a standard ‘Yale type’ key, and has the maximum strength available for a product of this type.