The Burg-Wächter GKM 12mm 1m security kit is ideal for securing you valuable motorbike or scooter. The chain is made from case hardened steel which is hacksaw and bolt cropper resistant. The body of the lock is made of hardened steel and the 16mm shackle is made of case hardened steel, both providing tough resistance to attack. The shackle is secured by a double bolted disk mechanism locking both ends. Both the chain & U lock are Sold Secure Gold insurance rated for motorbikes. GKM 1m 12mm Hardened Steel Security Chain 100D 16mm Double Bolted Hardened Steel U Lock 12mm Thick Chain Links for Ultimate Protection. Ideal for Long Term Securing of Belongings Heavy Duty 100D U-Lock Ideal for Securing up to 12mm Chains & Cables The Body of The Lock is Made of Hardened Steel & 16mm Shackle is Made of Case Hardened Steel Completely Detachable Shackle When Unlocked Due to Double Bolted Disk Mechanism Locking Both Ends Weather Resistant & Suitable for Outdoor Use with a Keyhole Cover Protectin...