The Chateau 2-3/4-inch (70 mm) Disc Lock (Chateau product number C-870-CD-KD) has a stainless steel laser-welded body, impervious to rust or corrosion with four drain holes. It also has a hidden, hardened and chromed steel shackle.
The lock also has an exclusive 5-pin cylinder with anti-pick mushroom pins and over 3,000 key changes.