Easy installation: Simply install it on the bars or motorcycle, bike without drilling any holes. Rubber Inserts:The bracket comes with non-slip rubber inserts with a wider range of sizes(12mm, 22mm,24mm, 25.4mm,28mm); help dampen vibrations and protect the installation palce from being scraped. Compatible with Baofeng Kenwood Yaesu Motorola Talkabout Retevis and most of two way radio with back clip Suitable for motorcycles, bicycles, electric bikes and any horizontal or vertical bars with the same diameter Pack includes: 1PCS HYSHIKRA Z-4 Radio bracket; (If any questions, plz contact us by clicking “RADIO MAX” that below the "Buy Now", and find the button "ask a question") radio holder