Description :<br>  300 To 75 Ohm Outdoor Antenna Coaxial Cable Matching Transformer UHF\/VHF\/FM  <br> Features :<br>       Color: Black   Material: Plastic   Length: about 19.5cm   Thread Diameter: 9mm   Compatible Service: 300 Ohms Connections   Type: 300 To 75 Ohms Matching Transformer       Connect:  75 ohm coaxial cable   To:   the common 300 twin lead style connection on many outdoor antennas       Note:   1. Please check the size measurement chart carefully before making payment.   2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)   3. The color of the actual items may slightly different from the listing images due to different computer screen， thanks for your understanding.   4. Instruction is not included.       Package includes:       1 x Matching Transformer Cable<br>  <br> Details pictures :