RAM® Double Socket Arm with 75mm VESA Plate - C Size Long RAM-101U-UK1 The RAM-111B-354-TRA1U consists of a

The RAM-111B-354-TRA1U consists of a Track Ball™ base that can attach to any track system including the RAM Tough-Track™

this mount can also be used as a base to strap to a round rail

25" x 2" top base

and 1" square rails

RAM® Double Socket Arm with 75mm VESA Plate - C Size Long RAM-101U-UK1 The RAM-111B-354-TRA1U consists of aThis RAM 103U D 2461 consists of a 1. 5" rubber ball, connected to a 3. 625" square plate with a 75mm X 75mm VESA hole pattern and LONG length double socket arm. The rubber ball is positioned 0. 88" from the center of one edge. The double socket arm will attach to all RAM 1. 5" dia. ball bases.