This is the second smallest All American available; it means that you get increased canning capacity without the bulk of a larger canner. You get 3 extra pints or 3 extra quarts per canning session than you do with Model 910. See the capacity below. All American Pressure Canners feature the following safety features: No rubber gaskets—the metal-to-metal seals means no gasket to break and adds durability 6 locking screws and 3 locking hooks—no amount of pressure can blow the lid Rubber pressure gasket—in the unlikely event the pressure were to mount too high Weighted gauge—designed to pop off to release steam Model 910 has the following capacities: 10.5 quarts liquid capacity; 1 rack, 10 pints or 7 quarts  ***Not for use on glass top stoves or for commercial use.