The foosball table rubber bush set is placed on the player rod between the outer most player and the side wall rool bearing, nylon washers are also placed either side of the rubber bush for addition support and to prevent contact damage to the rubber bush. The ribbed styling of the rubber bush provides efficient cushioning for both the player and rool bearing when they come into contact with each other during pay.The outside diameter of the rubber bush is 30mm, the inside hole diameter is 16mm and is 18mm wide.Each pack contains 16 x foosball player rod rubber bushes.