The Granit X-Plus 54 borrows many of the features of its mega tough brother the Granit Extreme 59. The parabolic 13mm square section shackle is produced from hardened steel making it massively resistant to cropping & twisting. Technology: 13 mm square parabolic shackle (patented) Double bolted shackle in the lock body ABUS power cell technology (patented) offers highest protection against hitting & pulling attacks The shackle the case as well as supporting elements of the locking mechanism are made from special hardened steel ABUS X-Plus cylinder for highest protection against manipulations e.g. picking Two keys are supplied with the lock one LED-lighted Automatic keyhole cover against dirt & corrosion ABUS Code Card for additional or replacement key 230mm shackle length Sold secure gold It is securely held in place by the " Powercell" double locking mechanism offers highest protection against hitting & pulling attacks with the reassurance & ease of use of the ABUS X-Plus cylinder for highest protection against picking. Supplied with the ABUS Code Card make it easy for you if you to obtain additional or replacement keys. Now firmly established as the number 1 choice in high theft areas of the UK.