The Lenovo Security Cable Lock allows customers to manage physical security access within the enterprise. offices. schools. libraries and research labs. Cable locks help reduce theft. and increase physical asset security protection for notebooks. notebook docking stations. desktops and flat panel monitors.Features & Benefits:- One piece design for easy use – does not require glue. brackets or screws- Lightweight ( 130 g / 0.29 lbs ) design is ideal to carry in a notebook carry case to secure notebook when traveling- Galvanized steel cable with 1.52 m (5 feet) cable length. 4.5 mm (0.18 inch) cable diameter- Zinc alloy lock using a stainless steel T-bar lock mechanism design- Small diameter lock mechanism ( 0.15 mm / 0.20 inches) design allows the cable lock to be used with thin-designed notebooks- Convenient Velcro strap tie for cable management for travel or storage- Free replacement keys available for lost lock keys- 3-year warranty Note: Replacement keys require the keycode from the key; customers are responsible to record keycode.