Simple-to-use, four-digit combination lock is made of nearly indestructible aircraft-grade steel cable. Six feet of cable anchors your notebook to a desk or immovable object. The patented T-bar locking mechanism fits into the standard Kensington® security slot for greater security and peace of mind. Resettable combination lock can be changed at any time. Maximum Length: 6 ft; Material(s): Aircraft-Grade Steel Cable; Lock Type: Four-Digit; Resettable Combination Lock; Height: 3/4 in.