Professional-grade Tiffen Color Separation Guide with 8' Grey Scale for accurate color balancing Durable 20-step Grey Scale for precise exposure and processing conditions Nine Color Control Patches with two saturations each to fine-tune color matching Versatile Separation Guide included for calibrating digital color print systems Easy-to-use tool for photographers and graphic arts professionals to ensure color fidelity Crafted by Tiffen, a reputable brand known for high-quality photography accessories