The product is a lot of 4 Shakespeare heavy-duty trimmer line sets, each containing 12 strips of yellow .095” line. These corded electric trimmer lines are compatible with string trimmers, weed trimmers, and multi-task trimmers. The lines are made in the United States and come fully assembled, requiring no additional assembly. Ideal for maintaining your yard and garden, these high-quality trimmer lines from Shakespeare will help keep your outdoor spaces looking neat and well-groomed.