Fire Extinguisher Mount - Quick Release - 3" Made from aircraft grade 6061 aluminum and stainless steel, Precision machined for a fit, All contact points have O-rings so that it will not wear or rattle, Pull the red quick-release handle and the fire extinguisher is ready to go, Fits around any cage tubing 1.5", 1.75", 1.85" and 2.0" OD, Fire Extinguisher is not included