This tool has the ability to add more force when pulling. It threads onto slide hammer with 5/8"-l8 thread. For grip wrenches using single-lead thread adjusting screw. It's very simple to useWe alsp ship APO, FPO and do combine shipping. Check out my other items! Sign up for my email newsletters by adding my eCRATER Store to your Favorites.,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fv%7F.rpn35%3E-13b704567f9-0x102-->