The abus diskus 2070 padlock is virtually inaccessable to attack using a shrouded 10mm shackle within a hardened steel lock body housing the abus plus key mechanism the square section 8mm hardened steel chain links are very awkward to cut apart but do not weigh as much as you might think a tough fabric cover over the chain protects your bikes paintwork when in use all in all the new diskus chain is a very reassuring way to secure your bike weight 2kg