Kensington K64638WW ClickSafe Keyed Twin Laptop Lock Security in 1-step, simplified design protects computers and peripherals with a click ClickSafe makes security effortless Tamperproof, disk-style lock combined with superior materials provide near-impenetrable protection NOTE: Not compatible with several 2016 Dell laptops and tablets including some Inspiron, Latitude, Venue, XPS, and Chromebook 13 models that use the Noble lock slot. Please review your devices technical specifications. Security in one step-simplified design protects computers and peripherals with a click Watch employee compliance rates rise! ClickSafe makes security effortless Tamper-proof disk-style lock combined with superior materials provide near-impenetrable protection Super-strong steel cable provides the strongest physical security on the market Attaches to laptops, external hard drives or other peripherals via the Kensington Security Slot found in 99% of computers