The Ram Single Arm Mount is designed with a swinging arm and a 1.5" rubber ball/socket for acute adjustments. Made from marine-grade aluminum with a black powder coating. The horizontal mounting arm rotates 360°, while the pivoting ball/socket rotates the 6.25" x 2" plate 180°. 6"L arm. 4.89"H x 10.75"L overall. Swinging arm rotates 360° | RAM Mount Single Arm Ball Mount for Gimbal Bracket ½ Horizontal, under 15 lbs in Black