1.Durable Design: Duralock Ultra XL+ body is designed with Stainless steel 304 with superior finish that ensures rust-resistance. The 90mm shackle is made of hardened steel protects cutting and prevents rusting under normal atmospheric conditions & provides a long life to the lock. 2.Ultra XL+ Technology: Ultra XL+ Technology has multi-row 14 pin mechanism and provides 10 crore combinations making it very difficult to duplicate. 3.Application: For indoor and outdoor use. Safeguard your home, shutters of warehouses and shops, Main door aldrops, Grill gates 4.Hacksaw & crowbar resistant: Rivetless and enclosed construction makes the padlock very tough. Hardened 90mm steel shackle