Product Description ATN Thermal Zeroing Targets are an easy, reliable way to sight-in your thermal scope. Each target uses a special heat source and heat-reactive material to produce a clear thermal signature that your optic can pick up quickly, reducing guesswork and speeding up zeroing. The 16 x 16-inch cardboard target features a printed grid to help you make precise adjustments, and this convenient 3-pack keeps your range sessions efficient. Marketing Points Heat-sensitive target surface with included heat source for a strong thermal signature 16 x 16 in zeroing grid helps make fast, accurate elevation and windage corrections Optimized for use with thermal rifle scopes for sight-in and training Durable cardboard construction with high-contrast graphic for clear point of aim Value 3-pack provides multiple targets for extended range sessions Specs Product Type: Thermal zeroing targets Material: Cardboard Color: Brown Dimensions (L x W x H): 16 in x 16 in x 0.5 in Pack Quantity: 3 targets Weight: 0.7 lb (approx.) UPC: 658175115168 Manufacturer Part Number: ACMKIRTGPK Brand: ATN Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.