For grip wrenches using single-lead thread adjusting screw. Adapter threads onto a slide hammer with a 5/8"–18 thread.No. 205378 – Grip wrench threads onto a 7/16"–14 end of adapter for pulling use.No. 557479 – Grip wrench threads onto a 5/16"–18 end of adapter for pulling use.No. 557480 – Grip wrench threads onto a 1/4"–20 end of adapter for pulling use.