The abus 88 series plus brass padlocks with a chrome plated brass body and through hardened nano plated steel alloy shackle fitted with the abus plus disk cylinder offering resistance to drill pull and manipulation attacks ball bearing locking helps prevent lever and torsion attacks 88rk 50mm and 55mm with rekeyable mechanism allows locks to be changed to new key 250000 key differs each lock supplied with 2 x plus keys and card