Yale® KeyMark® cylinders provide key control protection through the unique Security Leg angled keyway and provide increased resistance against picking and impressioning.
Yale® KeyMark® enables small format interchangeable core (SFIC) cylinders as well as large
format interchangeable core (LFIC), fixed core and competitor format cylinders all to be
keyed to the same master key system.
See the Yale® KeyMark® catalog
for detailed product information.