This is the operating key for the BEST SFIC green construction core. The green construction core is the most commonly found construction core that
BEST SFIC Green Construction Key - Specialty Keys
1C7D1626 Best SFIC Core Best SFIC Core, SFIC Cores, Satin Chromium Plated Finish: 626/US26D Series: Best Standard and Premium Cores Type: Locks,
Best 1C7D1626 Best SFIC Core
Notes on SFIC (Best) Interchangeable Core Locks
picking 232) BEST 6 pin SFIC padlock picked to operating and control - thanks to 'J.L Hoffy'
General Lock PL750 Hidden Shackle Puck Lock for SFIC
269) How to Rake Open SFIC (Removeable Cores)
Old Best SFIC padlock with no key picked to both shearlines. Judging by the patina, this is the first open in a long time. : r/lockpicking
First foray into lock gutting failed successfully. : r/lockpicking
Notes on SFIC (Best) Interchangeable Core Locks
BEST/SFIC lock missing control key, raked to control, gutted, decoded and keyed! : r/lockpicking
Got this old BEST M.P. Co. Lock without a key for a dollar at the thrift shop in town several months ago. Ended up raking it to control but didnt realize the top was not sealed. Pulled the core and springs and pins went flying. Now I get to figure out the order
How to Decode a Control Key for Small Format Core (SFIC)
BEST/SFIC lock missing control key, raked to control, gutted, decoded and keyed! : r/lockpicking
Standard Core - BEST