Clamp On Brackets are used to affix your tackle box or other outdoor accessories to vertical or horizon poles. Brackets fit poles from .75 to 2.25 diameter. They are supplied with Star Knobs or Phillips head stainless steel screws. Enjoy clamp-on convenience to posts or rails for easy and secure access to your favorite fishing tackle. Spend more time fishing for the big catch instead of for your favorite lures. The Star Grip Series allows you to bracket your tackle securely to the seat pedestal by hand. Designed for the DIY angler. Purchase Clamp On Brackets in order to affix your favorite tackle storage unit or accessory to the pedestal seat of your boat.