Army Force Gear Ammo Box Can Lock Hardware Kit .50 Cal, Fat 50, 30 Cal, 20 mm, 40 mm THE BEST OUT THERE - The best and easiest way out there to make your ammo can lockable and safe! And waterproof. KIT INCLUDES  Top quality stainless steel stud, one large washer, one small washer, one neoprene washer, one grade 8 nylon locknut, and instructions. ONE SIZE FITS ALL - 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 WHAT YOU GET  You get the lock hardware kit; you DO NOT GET the Ammo can and padlock 100% SATISFACTION GUARANTEE - This product has a 100% guarantee. If for any reason it doesnt meet your expectations, return it for a full refund.