Check the listing for details. Solar Rail Mount Clamps - Heavy Duty - 1 Pair - For 3/4 to 1 1/4" Rails. Condition: New. Listed at 49.00 USD. Solar Rail Mount Clamps The perfect clamp for mounting solar panels in rail mount, davit mount or "over the bimini" mount installations on board your boat. These versatile, heavy duty rail mount clamps attach to a variety of rail sizes, by simply tightening the thumb screw. The quick release design allows for fast, easy removal for storage. Fits 3/4", 1" & 1-1/4" rails. Sold in pairs & includes stainless steel mounting hardware. About Us Thank you for considering us for your power needs. For over forty-five years, Hamilton Ferris Co. has been helping customers make and manage their own electrical power systems. If your shopping experience with us is less than five stars, please contact us immediately. We appreciate the opportunity to correct any issues you have before you leave feedback. Shipping We ship most orders within 1 business day of receiving confirmed payment, or sooner. If your order is time sensitive contact us via email before ordering to confirm ability to ship same day. Returns Please contact us before initiating any returns. No returns on any electrical item installed incorrectly resulting in damage. All returns should be in original condition in the original packaging. If you have ordered an incorrect item we will help you get the correct item. Customer is responsible for return shipping charges. Items offered with free shipping will have the actual original shipping deducted from the return amount. If we have shipped an incorrect item, please contact us to arrange your return shipping. International Orders Customer is responsible for all customs, taxes and additional shipping fees declared by your country. Please do not ask us to mark your package as a "Gift".