Spade

Spade is a tool that can be used for dig faster than hands.

Kinds of Spades
"Official Description"

(Use Flint) Dig faster
 * Flint Spade

(Use Stone) Dig even faster
 * Stone Machete

(Use Tin Ingot) Clear dirt whit one dig
 * Tin Spade

(Use Gold Ingot) Find seeds in dirt
 * Gold Spade