The Owner CPS Spring (Pro Pack) Large 50-Pack is a must-have for fishing enthusiasts. These interchangeable stainless steel Centering Pin Springs (CPS) attach to hook eyes and provide superior holding power compared to barbed stick-pin holders. With three sizes available, you can maximize the holding strength for any size bait. The CPS Spring allows you to permanently secure any soft plastic bait by inserting the pin in the center of the bait's nose and then screwing the bait onto the coil spring, ensuring a perfect rig every time. Trust Owner for high-quality fishing accessories.