Ultimateaddons adapter can be attached to all 1" / 25mm ball attachment, including Ultimateaddons®, RAM, SW-Tech & Many more. The 4 Hole layout on the AMPS plate will allow many popular mounts to be attached. This connector plate socket simply connects over the ball, the screw then tightens over the ball to lock the plate to desired view, and you can add various mounts if they are compatible with the AMPS 4 hole layout.