Keep your handheld firmly in place with this heavy duty window mount. This mount can be bolted onto any solid surface such as the dash board of your vehicle or your golf cart. It is fully adjustable so you can get the angle you desire and lock it so it does not move. The handheld slides on so you can quickly grab it. The mount is approximately 6 inches long. It is compatible with the Garmin Alpha 100 and the Garmin Astro 320 and Garmin Astro 430 handhelds.