The BFT Tungsten Fastach Sinker is the perfect way to change the weight of your shallow rig - attach it easily and remove it just as quickly! Perfect if you are fishing where you need to change the weight of your rig very often. The tungsten composition is long-lasting and durable, making it a great investment for frequent anglers. The weight is variable and easily adjustable, so you can always find the perfect balance for the conditions.