AHEAD 5B drum sticks provide many benefits. Giving more power for less effort and 50% less shock than wooden sticks, lasting 6 to 10 times longer than their standard wooden contemporaries. They also cause less damage to cymbals due to shock absorbtion, andthey are the only stick with a 60 day warranty. The precision alloy core guarantees weight and balance variations of less than 1% compared to as much as 20% with wood. Super hard polyurethane replacement covers and tips protect your sticks and your gear.