Golf equipment, in Philadelphia, are the various items that are used to play the sport of golf. Types include: the golf ball, implements designed for striking the golf ball, devices that aid in the process of playing a stroke and items that in some way enrich the playing experience. The minimum allowed diameter of a golf ball is 42.67 mm and its mass should not exceed 45.93 g. A player usually carries several clubs during the game (but no more than fourteen, the limit defined by the rules). There are three major types of clubs, known as woods, irons, and putters. When on the green, the ball may be picked up to be cleaned or if it is in the way of an opponent's putting line. Its position must first be marked using a ball marker. Other supplies include golf bag, golf cart, towels, club head covers, ball marker repair tool.