RAM 2.5" Max Width Clamp Base with 1.5" Ball - RAM-247U-25

The RAM-247U-25 consists of a 2.5" clamp base with 1.5" ball. Specs & Features Material:Powder Coated Marine Grade Aluminum Ball Size: 1.5" Rubber Ball Size Note:The "U" in the part number reflects product packaged in poly bag. Weight:0.68 lbs. Compatible With Compatible Arms and Mounts RAM 1.5" Ball Medium Length Double Socket Arm With 2.5" Round Base AMPs Hole Pattern) - RAM-103U RAM 1.5" Ball Short Length Double Socket Arm With 2.5" Round Base AMPs Hole Pattern) - RAM-103U-B RAM 1.5" Ball Short Length Double Socket Arm With 75mm X 75mm VESA 3.625" Plate - RAM-103U-B-2461 RAM Mount - RAM Composite Double Socket Swivel Arm For C Size 1.5" Balls - RAP-200-12U RAM Composite Medium Length Double Socket Arm For C Size 1.5" Balls - RAP-201U RAM Composite Short Double Socket Arm For C Size 1.5" Balls - RAP-201U-B RAM Composite Double Socket Swivel Arm For C Size 1.5" Balls - RAP-200-2U RAM 1.5" Ball Long Length Double Socket Arm With 75mm X 75mm VESA 3.625" Plate - RAM-103U-D-2461 RAM Short Double Socket Arm For C Size 1.5" Balls - RAM-201U-B RAM Medium Length Double Socket Arm For C Size 1.5" Balls - RAM-201U