Corbin first introduced their version of the removable core lock mechanism during the early 1960s with what is known as the “Old Round Core.” This five- or six-pin tumbler removable core system was similar to several lock manufacturers’ products at the time. Unlike removable and...
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The Corbin Russwin Pyramid is a patented, high security lock system incorporating unique pin tumbler specifications and the secondary Pyramid locking mechanism, operated by a spring loaded, control...
Each IC lock manufacturer has its own pinning system. For locksmiths who service many different types of IC systems, it can be difficult to remember which pinning system to use.