Thank you for viewing. This is a waterproof cable entry plate that can be used when running wires from solar panels into a vehicle. It can be used for wires with a diameter of 6-12mm. Installation is simply done by attaching it with adhesive. By passing the wires through and tightening the nut, it will be sealed. Adhesive is not included. Please prepare it separately. For non-standard mail, shipping costs will be covered. Discounts are not offered. Immediate purchase is possible. Even if you leave a comment, priority will be given to those who purchase immediately. Thank you.