Jazz Guitar Scales: All The Patterns You Need to Know Jazz Guitar Guide Doppler Derby Hit Magic Automatic Umbrella, Black. Be prepared for anything with the Doppler Derby Hit Magic Automatic Umbrella. The lightweight frame and compact size make it ideal for busy lifestyles, while the gorgeous black canopy ensures you'll look stylish no matter what the weather. Get ready for the elements in style. Brand: Doppler Style Name: Derby Hit Style Code: 74463PSZ Colour: Black Easy handling of the umbrella is ensured by the back and forth automation. Diameter: 93cm diameter when open Materials: Nylon