<p>[Be applicable]For safely running power through firewalls or other panels with easy access to accessories.</p> <p>[Installation Notes]A 1-1\/4inch hole is required for easy installation.</p> <p>Mounting hole size: 1.25 inches.</p> <p>Stud: 3\/8inch.</p> <p>[Installation function]These handy connectors allow you to route the battery cable through the firewall the right way.</p> <p>Use heavy duty 3\/8inch x 16inch (9.525mmx1.5mm) brass terminals.</p> <p>Batteries that easily fit in 1-1\/4inch holes, provide active isolation via terminal connections.</p> <p>Connectors are used to easily connect power and ground.</p> <p>Conduit style metal lock nut ensures safe installation in the harshest conditions.</p> <p>Note:</p> <p>Installation guide not included, we strongly recommend you seek professional installation.</p> <p>Please check as much as possible to make sure the item is what you need.</p> <p>Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use</p> <p>Color: red</p> <p>Material: Copper + Plastic</p> <p>Package Contents:</p> <p>1 x bulkhead cable connector</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>