The Rino Tuff Pivotrim Autowinder Replacement Bump Feed Head is a genuine OEM model designed for weed trimmers. It is compatible with various brands like Ariens, Echo, Homelite, Husqvarna, and Poulan. This modern-style unit is made of durable metal and plastic materials, with a capacity of 16 feet and a unit weight of 25 oz. The assembly required for installation ensures proper functionality, making it a reliable choice for maintaining your yard and garden.