Easy one hand release of fire extinguisher, Built in safety to prevent accidentally release of bottle. Fits 1.50" to 2.00" roll bar diameters & 3” diameter fire extinguishers such as Amerex B417, B385TS & H3R MX250R, HG250 fire Extinguishers. Will not fit 3.125" fire extinguishers such as Kidde & First Alert Machined from billet aluminum, Assembled using all stainless-steel hardware Great for use on UTV, race car or Off Road buggy Made in USA. Machined from billet aluminum with Anodized Black finish. Assembled using all stainless-steel hardware. Very secure, no rattle mount. Great for use on UTV, race car or Off Road buggy. Fits Amerex B417, B385TS & H3R MX250R Fire Extinguishers 3″ in diameter. Fire Extinguisher not included. Made in USA.