Features: Tough 10mm lock head with Cleat™ Locking Technology attaches to the Kensington Nano Security Slot found in select ultra-thin laptops and tablets for uncompromised security 5mm Keying System is compatible across all of Kensington’s latest locks and includes patented anti-pick Hidden Pin™ Technology, all part of our robust custom key management solutions that include Master Keyed (K64445M), Supervisor Keyed**(K64445S) and Like Keyed (K64445L) options. Carbon steel cable resists cutting attempts and anchors to desk, table or any fixed structure Pivot and rotate cable provides superior laptop engagement Register & Retrieve™ program allows you to order replacement keys Independently verified and tested for industry-leading standards in torque/pull, foreign implements, lock lifecycle, corrosion, key strength and other environmental conditions Limited Lifetime Warranty guaranteed by Kensington, the worldwide leader in laptop locks