5pcs Car FM Antenna Adapter Vehicles Radio Stereo ISO to Din Aerial Antenna Adaptor Auto Accessories for Conversion Socket Plug Parts Feature: This adapter allows you to connect an ISO antenna cable (50 ohms). For a radio antenna using an old 150 Ohm input (DIN). Which is necessary for an in-car radio antenna port for connecting a radio in a car. Specification: Product Name: Car FM Antenna Adapter Material: Alloy+PVC Color: Silver Quantity: 5pcs Size: about 50*20*20mm/1.97*0.79*0.79 inch Single weight: about 5g Applicable: a variety of vehicles on the market (the most common car antenna accessories on the market) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.