Red plastic double-structure ratio compass, with a case for easy portability. A ratio compass is a tool for visually measuring and displaying ratios based on the golden ratio (Fibonacci sequence). It is mainly used in technical analysis for stocks, FX, etc., and is used to "identify golden ratio values" when analyzing price range and time (days) targets. - Color: Red - Material: Plastic - Accessories: With case - Design: Double-structure compass - Size: Approximately 15cm Thank you for viewing.