Cps spring pocket pack; as featured on Owner twist lock hooks, our interchangeable stainless steel Centering-Pin springs (CPS - patent pending) attach to hook eyes, and allow any soft plastic bait to be "permanently" secured by inserting the pin in the center of the bait's nose and then screwing the bait onto the coil spring to rig perfectly every time! the CPS has far superior holding power compared with barbed stick-pin holders. Three sizes allow for maximizing the holding strength for any size bait.; general terminal ; Owner; .