Lifeventure C400 Cable Lock Use: Travel Security The Lifeventure C400 Cable Lock is a robust cable lock with a 3 dial combination lock & a 1 metre retractable cable which is perfect for keeping larger objects like rucksacks from being stolen. The Lifeventure C400 Cable Locks combination can be personalised to your own numbers. Security There’s no point in over-stressing the point- we all know how important the basic security of our most valuable possessions is when we travel. Lifeventure have picked the items they feel are Essential when they travel: Passport- money- ticket & luggage are the key areas & in the Security range you will find a range of carefully designed products to suit you & the protection of these items. Download the product instructions here