Tapered bottom structure: It is made of stainless steel and has a tapered structure with high hardness, so it is easy to enter the mud, sand, rock crevices, etc. High Sensitivity Automatic Rod Holder: The front of the rod holders has a screw to adjust the sensitivity. Heavy Duty Fishing Rod Holder: Equipped with three high-quality springs, these rod holders offer customizable strength. The more springs you install, the... Easy to use: The rod holder has a bouncing function, when the fish bites the hook and causes the line to fluctuate, it can pull the trigger without manual operation, the spring will immediately contract and automatically pull the rod up When you want to catch big fish, you can turn down the sensitivity of the rod holder, so that the automatic spring rod holder will be triggered when the big fish bite. Automatic Fishing Rod Holder,Automatic Hook Setter Rod Holder Automatic Hook Setter Holder Fishing Holder Bank Fishing High Sensitivity Spring All Metal Heavy Duty Adjustable Pole St Hook Setting Rod Holder Fishing Rod Holders For Bank Fishing, Bank Fishing Rod Rack Stand Automatic Fish Fishing Pole Holders For Ground Note: When testing the product, please do not get too close to the product, please do not put the fishing rod holder directly to yourself, the spring will trigger the product with great force, beware of injury. Check out our 1909 honus wagner baseball card selection for the very best in unique or custom, handmade pieces from our sports collectibles shops The bottom U-shaped structure can be disassembled by adjusting the screws, and the fishing rod holders can be divided into two parts after disassembly, so it is easy for you to carry.