The Kolpin Universal Gun Boot/Saw Boot Bracket is design to work with the Kolpin Gun Boot IV, 4.3, 6.0 cases and Saw Boot only! (sold separately) The universal bracket fits most ATV tubular steel racks or UTV frames up to 2" diameter (Also fits square tubing). The all metal constructed loop bracket can be adjusted to multiple angle positions between 0° and 45°. Rubber coated ring holds your Gun Boot case securely. The bracket design lets you utilize your entire ATV rack.