1. This is a single-arm crank with a full-metal modification. It is a drum reel accessory specifically designed for drum fishing reels. It is a good upgrade option for fishing reels and suitable for various DIY needs. It has strong versatility and can bring a new experience to your fishing equipment. 2. In terms of design, this single-arm crank adopts an advanced CNC production process, which ensures that the crank has relatively high precision and finesse. The material used is aluminum alloy, which is not only sturdy and durable but also has good corrosion resistance. It can adapt to different fishing environments and provide reliable support for long-term use. 3. In terms of specifications, it offers a variety of sizes to meet the individual needs of different users. Its hole spacing is 5*8 millimeters, and the precise size design ensures that it can be adapted to various drum fishing reels. Whether you are a novice angler looking to improve the performance of your equipment or an experienced fishing enthusiast seeking a better experience, this single-arm crank is a suitable choice. 4. The product has a wide sales range, covering regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is favored by fishing enthusiasts in different regions. In addition, it has an authorized self-owned brand, which guarantees the product quality. With this full-metal single-arm crank, you can easily upgrade and transform your drum fishing reel, making your fishing operation smoother and allowing you to enjoy better fishing fun. Come and replace your fishing reel with this excellent single-arm crank!