The Union SH60SO series high-security padlocks have an open shackle design, a 60mm long hardened steel body with a hardened boron steel shackle and a mirror chrome finish. These 6 Pin padlocks are successfully tested to EN12320 standards, and have passed the EN1670 240 hours neutral salt spray test. SH60SO padlocks are particularly suitable to secure perimeter / security gates, outbuildings, warehouses, workshops and portable industrial equipment.