1、Crossbar Bracket Material: The crossbar bracket is made of aluminum alloy material, which is strong and durable, has a long service life. Surface with black coating, suitable for various environments. 2、Bracket Head Material: The bracket head is made of ABS and stainless steel, which is strong, durable and lightweight, and has a long service life. 3、Applicable Scenes: Universal thread design for nearly all types of bite alarms and docking brackets, suitable for a variety of pole rack applications. 4、Compact and Portable: Compact and easy to store and carry, rod holder can be carried outdoors without taking up much space. 5、Bracket Head Function: Perfect for your fishing tool, the fishing rod is not easy to fall off. This rod holder will hold your carp rod firmly and release as soon as you hit. 6、Magnet Design: Stable features, magnet design, tight grip. Small size, light weight, easy to carry and store, providing you great fishing experience.