Features and Benefits: The 5028 slide hammer is just 8-1/2″ long to fit into tight spots; The 1-1/2 pound hammer gives you a little extra muscle for stubborn jobs; It’s perfect for pulling injector nozzles; THe shank is threaded 1/2″-20 and has a 5/8″-18 threaded adapter included; Works with many OTC pulling attachments;