The robust design of this classic style of padlock ensures that it is still as popular as ever. The 130 series, with a hardened steel shackle, double bolted locking mechanism, paracentric keyway and anti-pick cylinder combines the latest lock technology with a traditional style. Hardened Steel - Extra protection against hacksaw and cropping attacks. Double bolted locking mechanism - Extra strength to resist torsion and pull attack. Zinc plated steel laminated body - Extra strength and resistance to corrosion. 8 steel countersunk rivets - Extra strength over traditional locks. 5 pin cylinder with anti-pick mushroom pins - Extra protection against picking. Paracentric keyway - Extra protection against manipulation. Long shackle - Provides greater shackle clearance for versatility. 2 keys are supplied with each lock.