Each key pattern is precisely assigned to ensure maximum compatibility. The Shrouded Shouldered Star Lock Key does not have a pin in the middle of the tool, each of the five sides are asymmetrically offset: three semi-round sides and two opposing flat sides. The Shouldered Star Lock Key will fit any 1/4 inch screwdriver. Many CATV Telecommunications enclosures use this slam pedestal lock, star pedestal lock, star pedestal lock shrouded tool to unlock (open) and lock Shrouded Shouldered Star Locks, Tamperproof Bolts, Profile Pedestals, slam cabinet locks, Lock Box (lockbox), secured cable line pedestals, cable pedestals at the curb near homes, or cable pedestals in apartments. Great addition to your tool pouch for all your Telecommunications applications. The Shrouded Shouldered Star Lock Key is designed to fit most low profile pedestals and can be used on many outside lock box enclosures or cable boxes. If you are purchasing this tool you should be licensed to use it, an authorized MSO Contractor, or an authorized field technician.