Make your 50 cal and 30 cal ammo boxes lockable A high quality locking hardware kit to convert your 30 cal and 50 cal ammo boxes to a lockable unit to safely secure contents Locking hardware is fitted with a rubber backed washer and nylon lock nut to maintain watertight integrity of the original ammo box Great for storing goods whether in transit or for storage at home This kit requires you to drill a hole into your existing ammo box with a 5/16" drill bit (not included) Detailed instructions are included with the kit FEATURES: 1/2" solid steel stud Grade 8 steel nylon locknut Steel and zinc plated large washer placed over a steel stud to avoid padlock being pulled through hole on latch handle Steel and zinc plated small washer Small rubber washer Approximate Weight: 50 grams *** PLEASE NOTE this is only the LOCKING Kit - does not include ammunition box***