ITEM NAME:Mini Support Adapter tripod mounting screw thread 1/4 " Monopod Accessories B8G9 Mini Support Adapter tripod mounting screw thread 1/4 " Monopod Accessories B8G9 Standard thread 1/4. High quality material, resistant to wear. Compatibility: for GoPro Hero 4 3 + 3 2 1. Product Description Color: Black Material: plastic and metal Item size: 29.8 * 32.2mm / 1.2 * 1.3in (D * H) Package list: 1 * Mounting Adapter Mini tripod screw Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm..Standard thread 1/4. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Item size: 29.8 32.2mm / 1.2 1.3in (D H).