RAM 2.5" Composite Round Base with the AMPs Hole Pattern & 1" Ball - RAP-B-202U

The RAP-B-202U 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. Specs & Features Material: High Strength CompositeBall Size: 1" Rubber Ball "B" Size Note: The "U" in the part number reflects product packaged in poly bag. Weight:0.1 lbs. Compatible With Compatible Arms and Mounts RAM® X-Grip® Cell Phone Cradle With Double Socket Arm - RAP-HOL-UN7B-201U RAM® X-Grip® Cradle With 1" Ball & Medium Length Double Socket Arm For 7"-8" Tablets - RAM-HOL-UN8B-201U RAM Universal Action Camera Adapter With Double Socket Arm - RAM-B-202-GOP1-201U RAM Double Socket Arm For B Size 1" Balls - RAM-B-201U RAM Short Double Socket Arm For B Size 1" Balls - RAM-B-201U-A RAM Long Length Double Socket Arm For B Size 1" Balls - RAM-B-201U-C RAM Composite Double Socket Arm For 1" Balls - RAP-B-201U RAM Composite Short Double Socket Arm For 1" Balls - RAP-B-201U-A RAM Double Socket Swivel Arm For 1"