DGK Color Tools DKC-Pro 5" x 7" Set of 2 White Balance and Color Calibration Charts with 12% and 18% Gray - Pro Quality - Includes Frame Stand and User Guide Professional version of our popular DKK Card with n-Chrome coated color targets The color patches are 100% coated with DGK's n-Chrome process, allowing for a much higher level of color saturation, luminance, and accuracy, while getting rid of metamerism. Includes 2 DKC-Pro Cards - Each with Precision 12% and 18% Gray reference for white balance plus 18-Color patches for superior digital color correction Use DKC-Pro to create custom DNG camera profiles with free downloaded software (requires Adobe Photoshop) Detailed instructions included for Picasa , Photoshop Lightroom , Photoshop Elements and Photoshop. Includes frame stand for hands-free use.