**********This 25mm / 1-inch / B size AMPS Plate is made out of sturdy Aluminum with a rubber coated ball joint and is compatible with all industry standard 1 inch / 25 mm mounting arms. Ball joints are coated in a rubber material.
*****COMPATIBILITY: Commonly used with IBBZ-33921 or IBBZ-33791 and other industry standard 25mm / 1 inch dual ball mounts / arms. Use with Bizmount series mounts or any other 1-inch / 25mm / B size industry standard compatible mount.
*****FEATURES: a 30x38 mm industry standard 4 hole pattern (=AMPS) that will work with all industry standard AMPS adapter plates and vehicle specific mounts. The circular design is a great alternative for locations where a square adapter wont work.
*****INCLUDES: 25mm / 1-inch Metal Round AMPS adapter plate