Age. Dwarves mature at the same rate as humans, but they're considered young until they reach the age of 50. On average, they live about 350 years.
Alignment. Most dwarves are lawful, believing firmly in the benefits of a well-ordered society. They tend toward good as well, with a strong sense of fair play and a belief that everyone deserves to share in the benefits of a just order.
Size. Dwarves stand between 4 and 5 feet tall and average about 150 pounds. Your size is Medium.
Speed. Your speed is not reduced by wearing heavy armor.
Dwarven Combat Training. You have proficiency with the battleaxe, handaxe, light hammer, and warhammer.
Tool Proficiency. You gain proficiency with the artisan's tools of your choice: Smith's tools, brewer's supplies, or mason's tools.
Stonecunning. Whenever you make an Intelligence (History) check related to the origin of stonework, you are considered proficient in the History skill and add double your proficiency bonus to the check, instead of your normal proficiency bonus.