Product Feature: . Benefits: Remove and install even the most stubborn threaded leaf spring and shackle pins on Volvo and Mack suspensions. . High Quality: This socket is manufactured from high standard steel with black oxidize finish for extended durability, also preventing the socket from slipping or spinning under extreme loads. . Nice Design: Designed with 2 pins remove the threaded leaf spring and shackle pins without damage suspensions, works with 1/2″ drive (Not include). . Alaternative To: 9996791 or TG15103. Great look and solid construction makes this socket an outstanding upgrade over your OEM one. Product Description: .