Never run out of GAS! CNC machined from 6061 billet aluminum for lightness and durability. Fits 1 3/4" diameter tubing. Beefed up 4 bolt clamp design will always keep your gasoline pack in place. Made for 2, 3 and 4 gallon RotopaX gasoline packs. Round adjustable mounting plate gives you the option to mount a RotopaX pack where ever its most convenient. Easy to remove and reinstall in a different location. Available in hard black anodize or raw aluminum finishes. Made in the USA