Case Club Locking Hardware for Steel Ammo Can Ammo Can and padlock NOT INCLUDED Works on 50 Cal, Fat 50, 30 Cal, 20 mm, 40 mm ammo cans Will work with medium size locks as large as 1/4" lock shackle Stainless steel hardware which helps prevent rust, and no thread locking adhesive required! Includes installation directions & gasket washer to keep ammo can watertight