Includes 5 snap caps Great for checking & adjusting trigger pull Safe decocking without fear of firing pin damage Release tension on hammer springs while stored Dry fire drills or cycling practice approved Function check extractors & ejectors Machined solid aluminum with safety orange anodize Great for inexpensive practice with your firearm, safety training, doing function checks or checking/adjusting trigger pull, the Otis Snap Caps stand up to the job. These Snap Caps are also recommended for safe decocking of firearms without fear of firing pin damage or releasing tension on hammer springs while in storage. Don*t let the cost of ammunition or lack of range time get in the way of dry fire drills or cycling practice. Precision machined of solid aluminum and hard anodized red. Available in the following pistol calibers: 9mm, .380ACP, and .45ACP