This Master lock MLK2120E Computer Cable Lock will secure any laptop netbook monitor or projector that has a built-in lock slot It is ideal for campus office travel or home use It has a durable metal construction for security with two foam spacers included for a secure fit The strong ultra-portable self-coiling cable extends from 10cm to 180 metres with a diameter of 5mm The Computer Locks trusted locking mechanism has dials which are spread apart to allow for easy movement The high contrast numbers are easy to read and the red viewing window allows for easy viewing and resetting 10000 possible combinations