Good camera accessories: the 3-way extension swivel arm can be attached to the camera bracket and can be hand-held or mounted on the seatpost to help the camera maintain a good view, capture beautiful moments and take perfect photos. Multi-angle Rotation: The adjustable swivel arm can be adjusted to different angles according to your shooting needs, hold the camera and keep it steady, you helping to find the perfect shooting angle. Wide Compatibility: One side of the extension swivel arm can be connected directly to the camera, and the other side is suitable for all kinds of accessories, such as roll bars, handlebars, helmet straps, etc. Perfect for GoPro, SJCAM and sports camera. Durable Material: The arm pivot set is made of quality plastic and metal, lightweight and durable, convenient and easy to install.Value Set: You can get 16pcs swing arm assembly in one package, including 8 screws, 4 long arms and 4 short arms (including same direction arm and reverse direction arm), screw the arms together in various combinations to adjust angles. 1. The 3-way swing arm extension kit is suitable for cycling, surfing, skiing, climbing, motorcycling and other outdoor sports and activities. 2. Different arms are screwed together in various combinations to adjust the angle. 3. Durable and lightweight material, convenient and easy to carry. Specifications: Quantity: 16 pieces Material: Plastic and metal Color: Black Package includes: Long screw x 6 Short screw x 2 Same direction long arm x 2 Same direction short arm x 2 Reverse long arm x 2 Short arm in reverse x 2