Securely attaches to Kensington Nano lock slots No master key required Unique combination and serial number Compatible with laptops or tablets with a Kensington® Nano® lock-slot, these 25 DEFCON® Compact Serialized Combo Cable Locks provide peace of mind with freedom from keys.Secure and protect your organizations Kensington® Nano®-compatible laptops with these 25 Targus DEFCON® Compact Serialized Combo Cable Locks - an ideal choice for the office, school, hotels, or other high-risk areas. The easy-to-use design includes a cut-proof and rust-resistant 6.5-foot galvanized steel cable with pass-through loop and rotating lock head. Nearly impossible to destruct. Any attempt to remove it will noticeably damage the devicea further deterrent to thieves. Each lock is assigned a unique combination and serial number, delivering freedom from key-carrying. Lose your combination code? No problem. Your IT Manager has access to all combinations via a secure password-protected web site. Ships wit