Use tips for safety of large vehicles such as SUVs and trucks.1. Buy 2 pairs or buy another set from another brand for support.2. GENTIFY LUBRICATE ALL THREADS TWICE. Once the day before and again on the day of application. Make sure you screw it on fully and leave it on overnight. I used STP Moly-EP (thick black) to lubricate everything. . With 4 spring loaded compressors and a liberal amount of grease, I used an M12 1/2 Milwaukee ratchet to secure the process past the initial 1/4 of the way with hand tools. When the job was done, not a single thread was snapped or broken through the use of a power tool. due to proper thread lubrication. Do not operate a power tool without a second set of compressors and without lubrication.