This beverage holder can be attached to any of our Caddy Systems or to the top of the Ultimate Tool Holder. It comes with a stainless steel phillips screw and an over sized stainless steel washer for a quick, easy installation. Just screw right into the top of your unit and you are in business! Holds bottles and cans! Also works great to keep your snap weights and other smaller accessories in! Keeps your hands free when it's time to REEL in fish or GRAB the net! Made from durable black plastic. Measures 2.75'' wide x 2.75'' tall.