CISA Astral S Euro Half Cylinder 40mm (10/30)
CISA AP4 S cylinders are the ideal solution for anyone who needs a high performance cylinder.
High protection and controlled duplication, as keys can only be duplicated by CISA
+ 40% resistance to pulling and tearing, thanks to the Snap Resistant feature, a dual-material steel core.
High resistance to bumping (percussion), thanks to the Bump Key Power (BKP) patented device.
High resistance to picking (tampering), thanks to the patented technology with floating drivers.
Shape trademark registered on the key to protect AP4 S and AP3 S key duplication over time, also guarantees compatibility with the previous version of the AP3 S cylinder.