Slack Adjuster Puller for all makes and models of manual slack adjusters. Fits virtually all makes and models of manual type slack adjusters. High strength ADI and steel castings. CNC machined, billet 4140 forcing screws. Grade 8 attaching hardware. Eliminates dangerous hammering and cutting torch methods. Designed for high capacity pull. Can be used with a 1/2″ impact wrench. Simple to slip on for instant results.