Tek208 Quick Release Fire Extinguisher Mount attaches your fire extinguisher to roll bars and cages from 1.25″ to 2.0″ OR any flat surface. Easy one hand release of fire extinguisher, built in safety to prevent accidentally release of bottle. The 1.75″ diameter model fits most Side by Side and UTV’s such as the Polaris RZR, Yamaha Rhino, and Arctic Wildcat while the 1.875″ is better for most Can Am. Precision engineered and machined from billet aluminum for durable rattle free installation. Fits Amerex B417 & H3R MX250 ABC dry chemical fire extinguisher & Amerex B385TS & H3R HG250 Halotron (clean agent)fire extinguisher which are 3″ in diameter. Fire Extinguisher not included.