- For protecting notebooks and other devices with a USB socket against theft ,- Safety cable made of sturdy carbon steel, covered with protective plastic ,- Hook and loop cable tie enables good cable management without tangled cables ,- Suitable for all devices with a USB-A socket ,- Specially designed for convertibles and ultrabooks without security slot ,- 4-digit code for 10,000 possible combinations ,- 5.5 mm diameter for protection against theft , ,Note for Consumers: ,This notebook lock has been designed for use on USB sockets that comply with the USB specification. If a USB socket on particularly compact devices has a special design it may happen that there are no mechanical recesses. A notebook lock, however, needs these recesses to lock safely. The function of the lock may therefore be restricted on such devices. - Material: Plastic Material/Steel ,- Model: Combination Lock ,- Numerical Code: 4-Digit ,- Diameter: 5.5 mm ,- Length: 180 cm ,- Colour: Silver/Transparent 2 years legal warranty only