The Precision Armament AccuWasher System Gunsmith Kit is a convenient option for those who utilize multiple packs of the AccuWasher System. From gunsmiths to manufacturers, and even avid builders, this kit meets the needs that come from high volume installations. The ruggedized case features multiple compartments to separate and organize each shim size (5 of each included). A convenient QR code on the label allows for quick and easy restocking of individual shim sizes. Note: The AccuWasher Alignment System can be used with any brand muzzle device.