OTC 5028 1-1/2 lbs. Slide Hammer Puller The 5028 slide hammer is just 8-1/ 2 inch 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 inch -20 and has a 5/8 inch -18 threaded adapter included Works with many OTC pulling attachments