Durable and Versatile: String Trimmer Handle. Designed to effectively adjust the center of gravity for operation, the movable joints and handles are made of lightweight aluminum. Lighter and more durable. Make lawn care and landscaping easier. Enhanced Ergonomics for Improved Comfort: Allows the operator to grip the weed trimmer or edger ergonomically, maintaining a more upright position and reducing back strain and injury. This increases comfort and reduces pain during use.