This fishing rod rest holder head is equipped with an internal spring device and silicone device, which can better fix the fishing rod and prevent it from sliding and wearing. The magnet device at the top can further stabilize the fishing rod. Features: Built-in spring device, when the fishing rod is pressed to the support head, the support head will close to better fix the fishing rod. Internal silicone device, the connecting part of the fishing rod is colored with high-quality silica gel to better prevent the fishing rod from being worn. Magnet device at the top of the bracket head, a magnet is installed on the top of the support head to better fix the fishing rod and effectively prevent the fishing rod from sliding. The British M3/8 screw thread standard is adopted, suitable for all types of alarms and supports. Stable design, does not shake back and forth, making fishing more relaxed. Specifications: Material: Nylon Jaw Open Width: 4.5cm / 1.8in Jaw Inner Diameter: 2.2cm / 0.9in Unit Weight: 12g / 0.4oz Package List: 1 * Fishing Rod Rest Head