RAM 4" Max Width Clamp Base with 1" Ball - RAM-B-247U-4

The RAM-B-247U-4 consists of a 4" clamp base with 1" ball. Specs & Features Material:Powder Coated Marine Grade Aluminum Ball Size: 1" Rubber Ball Size Note:The "U" in the part number reflects product packaged in poly bag. Weight:0.55 lbs. Videos RAM 4" Max Width Clamp Base with 1" Diameter Ball 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