Artago 18ART270 Padlock Anti-Theft High End Double Lock MRT &oslash;18 270, SRA Art+ and Sold Secure Gold, Bunker Selection U diameter 18, the most resistant anti-saw, shackle, mallet, lever. Tested by the best European laboratories. Patented mrt locking mechanism with anti-twist arch device, 10 mm shielding, exclusive anti-vibration system inside and replaceable nylon housing Disc-tech art+ technology, the most advanced and safe anti-pick lock with the unique 5mm anti-drill disc Anti-theft motorbike level bunker selection with the most exclusive high-end anti-theft system. Made by artago secure, the specialist in high end anti-theft motorcycle padlocks