A rounded, solid wooden or hollow aluminum bat. Wooden bats are traditionally made from ash wood, though maple and bamboo is also sometimes used. Aluminum bats are not permitted in professional leagues, but are frequently used in amateur leagues. Composite bats are also available, essentially wooden bats with a metal rod inside. Bamboo bats are also becoming popular.
A cork sphere, tightly wound with layers of yarn or string and covered with a stitched leather coat.
One of four corners of the infield which must be touched by a runner in order to score a run; more specifically, they are canvas bags (at first, second, and third base) and a rubber plate (at home).
Leather gloves worn by players in the field. Long fingers and a webbing between the thumb and first finger allows the fielder to catch the ball more easily.
Leather mitt worn by catchers. It is much wider than a normal fielder's glove and the four fingers are connected. The mitt is also better-padded than the standard fielder's glove.
First baseman's mitt
Leather mitt worn by first basemen.