With split key construction keying there are two ways the construction insert is retained in the cylinder so that it won't fall out the back end of the plug, see Figure 1.
The&nb...
All lock cylinders on a specific project are operable by a special "project key". Duplicates of this key may be assigned by the building contractor to workmen and subcontractors as required...
The current tools, pinning kits and key originating machines for all Schlage Everest full size cylinders and small format cores are the same used on Everest 29.