The substitutes can be called into play at any stage of the game. The team's manager chooses his starting fifteen and substitutes from a ' panel ' of players. A maximum of three substitutes may be used in a game. Every hurling team has a goalkeeper, six defenders, two midfielders and six forwards.
Players use sticks called ' hurleys ' to strike the ball.
The part of the hurley used to strike the ball is known as the ' bas ' pronounced 'boss'. At its widest point the bas shall not be more than 13cm. The ball in hurling is known as a ' sliotar '. The sliotar weighs between 100g and 130g. The circumference of the ball is between 23cm and 25cm.