The Master Lock No. 8390EURDPRO consists of a padlock made of coated steel and a 90 cm long chain made of hardened steel with a diameter of 6 mm, which resists cutting tools and saws. The nylon cover provides extra protection for your equipment. The lock with a 40mm wide laminated steel housing offers maximum strength and reliability. 9mm diameter steel shackle provides resistance to cutting tools and saws. The 4-pin lock cylinder protects against lock picking and the two-sided locking levers provide protection against break-in attempts and hammer blows. Thermoplastic housing and key channel cover make this lock weatherproof.