Hard, plastic balls are used in hockey having a weight of 156-163 grams and a circumference of 224-235 mm. The ball is often covered with indentations to reduce drag on a wet pitch.
Photo Credits: sportsballshop.co.uk
The stick made of wood, fiberglass or carbon fiber composites is used in the game of field hockey that should have a maximum length of 105 cm and weight of 737 grams. The hitting end also known as the head of the stick must be J or U-shaped and should be flattened from one side to hit the ball.