Work as they should The Blue Point 5PC Snap Ring Plier Set includes five high-quality pliers with various manufacturer part numbers such as PR12A, PR21A, PR129A, PR- -A, and PR34A. Made in the United States, this set is perfect for automotive applications and provides the necessary tools for removing and installing snap rings with ease. The Blue Point brand ensures reliability and durability, making this set a valuable addition to any mechanic's tool collection. See photos for details Thanks for looking!!