The Master Lock 10mm Python Cable Lock – Keyed Alike has an adjustable locking mechanism that holds the cable tight at any length. The 1.8m long cable is made of 10mm (3/8in) diameter cut resistant braided steel cable with a vinyl coating. The rust resistant lock makes this lock ideal for outdoor use. A velcro strap holds the excess cable for compact storage when not in use. Keyed alike so that only one key is required to unlock all of your equipment in the field. Supplied with 2 keys.