Dimensions - Caliber: 80mm / 3.1inch. Internal Length ( body and cap ): 350mm / 13.8inch. Bolt Hole Centers: 3.15mm / 12.4inch. Overal Length ( cap end to outer edge of opposite bracket ): 400mm / 15.7inch. Flexibility - This versatile motorcycle tool tube and the screw-down top has the mounting flexibility that allows bikers to attach one or more tubes on multiple parts of a motorcycle's body. Material - This motorcycle fuel bottle holder is made of tough, weather and impact-resistant plastic (high-density polypropylene), which rugged durability for long time use. Water Tight - motorcycle storage canister with waterproof O-ring, which can be used as storage space for gloves, gas, raincoats, fuel, small insulated beverage. A Must - Operators canister is constructed of injection-molded polypropylene. Integral mounting brackets have molded bolt holes. Ideal for carrying primus 1-liter fuel bottle.