This is a 10 Pack of Spring Kits for the Louisville Slugger Ultimate Pitching Machines. This Spring Kit is used by both the Blue and the Black Pitching Machine.
This is the replacement Spring Kit for the Louisville Slugger Ultimate Pitching Machine. It comes with 2 Rubber Runner for the Throwing Arm and 2 bolts and nuts to attach the spring to the Throwing Arm Bracket and the Spring Bracket.
