RAM® Composite Square Platform Base with AMPS Hole Pattern RAM-GDS-SKIN-AP43 5" diameter round base that

5" diameter round base that contain the universal AMPS hole pattern

Includes hardware to attach a round or diamond base to the AMPS hole pattern on the bracket

5" diameter rubber ball connected to a rectangular plate with a 4-hole pattern of 1" x 2" center to center

The RAM® No-Drill™ mounting base features a heavy-duty steel mounting base custom designed to fit these vehicles perfectly

5" rubber ball and flat 11" x 3" rectangular plate

RAM® Composite Square Platform Base with AMPS Hole Pattern RAM-GDS-SKIN-AP43 5" diameter round base thatThe RAP 251U is a 9" x 9" square high strength composite flat surface base that contains the universal AMPs hole pattern.