RAM Mounts GPS Round Plate with Ball RAM-B-202U with B Size 1 Ball : Electronics
AMPS Compatible 20mm Ball with Metal Mounting Plate - Bulletpoint Mounting Solutions
2.25 inch Ballhead Holder to Round Base Plate Adapter with AMPS Hole Pattern for Cameras GPS Phone - AliExpress
RAP-B-138-UN7U Ram Mounts Composite Flat Surface Mount with Universal X-Grip
The RAM-B-101U-225B2 consists of a double socket arm, two 2.5 diameter round bases that contain the universal AMPS hole pattern, a 2.10 x 2.60
RAM® Double Ball Mount with Backing Plate
The (RAM-B-202U) RAM marine grade aluminum base contains a 1 diameter rubber ball connected to a flat 2.5 diameter base. This mount has pre-drilled holes, including the universal AMPS hole pattern.
Ram Round Base w/1 Ball
RAM Rectangular base - B Series - Curved extension plate with AMPS hole pattern
The RAM-B-347U base consists of a B size 2,54 cm (1) diameter rubber ball connected to a 50.8mm x 43.2mm square base. The base has four pre-drilled
RAM Mounts AMPS Pattern Base Plate - B Size Ball
RAM Mounts X-Grip® Large Phone Holder with Ball — 4Runner Lifestyle
RAM® AMPS Ball Plate Adapter
The RAP-B-347U base consists of a 1 diameter rubber ball connected at right angles to a 2 x 1.7 square base. The base has four pre-drilled holes at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern.
Ram Mount Composite Ball Adapter with Amps Plate RAP-B-347U