Optimize your firearm maintenance with the Presma 9/16" 10 Piece Crush Washer Set. Designed specifically for .40 and .45 ACP applications, these high-quality washers ensure a reliable and airtight fit. Constructed from durable stainless steel, this set combines longevity with impeccable performance to enhance your shooting experience. Each washer is precision-engineered for consistency and reliability, making it an essential addition to your firearms toolkit. High-quality stainless steel construction Precision-engineered for a perfect fit Compatible with .40 and .45 ACP calibers 10 pieces for multiple uses Resistant to wear and corrosion Experience superior performance and durability with the Presma Crush Washer Set, perfect for any firearm enthusiast.