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. 250,000 key differs, each lock supplied with 2 x PLUS keys and card.ABUS 88RK/50 50mm Brass Plus Rekeyable Padlock Carded Specification Body W x H X D: 50 x 79 x 20mm.Shackle Internal W x H: 24 x 26mm.Shackle Diameter: 9.5mm.