|Overall Size||6 in. x 6 in. - 152.4mm x 152.4mm (each)|
|Number of Steps||3 individual cards|
|Density Range||6% (1.22 D.), 50% (0.30 D.), 100% (white)|
3 density patches on durable, flexible reflective material; reflections of 6% (density of 1.22D), 50% (density of 0.30D) and white; meet MIL-M-9868E requirements. Size of patches: 6 inch x 6 inch.