RAM 2.5" Round Base with Post & 2/1" Balls - RAM-B-217U

The RAM-B-217U consists of two 1" diameter rubber balls connected to a post and 2.5" diameter round base. The round base has pre-drilled holes, including the universal AMPs hole pattern and 3-hole 120 degree pattern. The 1" balls measure center to center 2.5" apart. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size:1" Rubber "B" Ball Size Note: The "U" in the part number reflects product packaged in poly bag. Weight:0.2 lbs. Videos RAM 2.5" Round Base with Post & 2/1" Balls RAM® Mounts: Ball Sizes & Weight Capacities Compatible With Compatible Arms and Mounts RAM 1" Ball Medium Length Double Socket Arm With 2.5" Round Base That Contains The AMPs Hole Pattern - RAM-B-103U RAM Medium Double Socket Arm, Long Double Socket Arm & Double Ball Adapter For B Size 1" Balls - RAM-B-201-201U-C RAM Short Double Socket Arm For B Size 1" Balls - RAM-B-201U-A RAM Long Length Double Socket Arm With Retention Arm For B Size 1" Balls - RAM-B-201U-C-ALA1 RAM 18" Long Extension Pole With (2 Qty) 1" Single Open Sockets - RAP-BB-201-18U RAM 1" Ball Short Length Double Socket Arm With Diamond Base - RAM-B-103-A-238U RAM Short Double Socket Arm With Retention Knob For B Size 1" Balls - RAM-B-201-A-ALA1-KRU RAM Double Socket Arm With Retention Knob For B Size 1" Balls - RAM-B-201-ALA1-KRU RAM Double Socket Arm With RAM® Pin-Lock™ Security Knob And Key Knob For B Size 1" Balls - RAM-B-201-SU RAM® X-Grip® Cradle With 1" Ball & Medium Length Double Socket Arm For 7"-8" Tablets - RAM-HOL-UN8B-201U