TRUE-FIT FENDER HOLDERS are made of stainless steel and fit most popular fender sizes. The fender holders and two styles of connectors are sold separately, so you can custom configure your fender storage system without having to buy extra hardware you won"t be using. Diameter: 12". Fits Polyform Fenders G6 and HTM3. NOTE: this item is a single fender holder. The manufacturer provided image shows 2 of these used next to each other. Polyform 2802 is a 2 holder kit.