2 Ear Zinc Plated Hose Clamp, 19 32 in OD, 0.551 in 0.669 in dia, 0.315 in W no checkout self igniting system with safety lock self igniting system with safety lock that ensures the switch is not turned on when not in use Built in "refillable" plastic fuel tank Oversized ratchet with soft rubber grip allows for easy adjustment when wearing gloves Removable comfort cradle is a pivoting head pad that conforms to any head for the highest degree of comfort 3 position slider adjusts distance of the lens from your eyes for precise vision Crown strap adjustment allows the headgear to be raised or lowered for maximum comfort and performance Sweatband helps absorb perspiration and prevents sweat from interfering with vision secure connections Fast and simple installation Compact one piece clamp for robust