Fully adjustable from horizontal to 90 degrees, the Summit Adjustable Gun Rest attaches to the upright arms of your Summit seat climber using easily installed brackets and bolts. A padded front bar with a Mossy Oak camo print offers the ideal rest to steady your shot. Caution: Do not use this product as a climbing bar. A must-have accessory for the treestand hunter, this gun rest made for standard-sized Summit climbing stands mounts securely, quickly and easily, no drilling required. -Model SU85251 mounts to Viper, Mini Viper, Razor and Cobra with no modifications -Fully adjustable aluminum gun rest with camo padded front bar -Fits any Summit aluminum climbing tree stand with an inside width of 19.75