Over time, all products are bound to wear down. It's inevitable! When your Light Max Series Trimmer begins to go down that path, it's important to maintain it and replace its busted parts. The Alvin company provides this replacement head w/ blade for those in this market. Customers will take solace in the reputation and value that the name 'Alvin' has built up over many decades. Due to their commitment to quality, customers won't have to worry about replacing this bladed head any time soon and can keep on doing their work.