Made of plastic, high quality and . Easy to install, just unscrew and remove the old antenna from your car. Aerial Style: Bee Sting Specification: Part Number: A9068200475,2E0035507 Voltage: DC 12V Base Size: 13x5.8mm/0.51inch x0.23inch(L*W) Install Diameter: 11.8mm/0.46inch Cable Length: 42cm/16.54inch Fitment: For Sprinter 2006-2017 For 2006-2017 Color: Black+Silver Material: Plastic+Metal Package Included: Package: 1 x Car Roof AM FM Antenna Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.