The Down-East S-17 Salty Bolt-on Rod Holder is a must-have accessory for any serious fisherman. Equipped with the S-16 Mount, this rod holder can be permanently fastened to the gunwales or deck of your boat, providing a secure and easily accessible place to store your rods. The S-16 mount can be fastened to either a horizontal or vertical surface, making it a versatile and reliable choice for musky trolling. The S-17 will hold rods up to 1 3/8" in diameter and is made with the same sturdy, affordable quality that has made Down-East one of the most famous names in fishing. If you're looking to equip your boat with a reliable and long-lasting rod holder, the S-17 Salty Bolt-on Rod Holder is the perfect choice.