Crank Conversion Terminal Posts These M8 posts convert a standard 8mm bolt thread into highercranking posts, enabling the use of heavyduty battery terminals, larger inverters, or multiple distribution points. Made of quality material, they are practical and reliable for demanding power setups. Easy Installation The M8 posts screw in place of the normally used bolt, and an additional thread pattern allows the original bolt to be used on if desired. For results, hand tighten the posts and use pliers to slightly tighten the grip to avoid overtightening. Wide Compatibility Compatible with Thumper RB12120, Thumper RB12100, Thumper EXT120, Thumper EXT100, Full River batteries, and any deep cycle battery with an 8mm thread. Please check individual listings for compatibility. Practical Made of quality material, these terminal posts are built to last. They provide a reliable connection and enhance the performance of your battery setup, ensuring efficient power transfer. Use scenarios Offgrid solar installations requiring reliable current connections to large inverters and multiple distribution points. Marine, RV, or vehicle battery banks where heavy terminals and robust connections improve power delivery. DIY energy storage systems using deepcycle 8mmthread batteries that need a straightforward upgrade from standard bolts.