1、With rugged material this trimmer line replacement spool adopts high‑quality durable polyamide nylon thread, which is flexible and long service life. Utilizes centrifugal force for maximum performance. 2、With the diameter of 0.1 inches and length of 397 foots, this orange pound trimmer line or round‑shaped nylon weeds eaters string is ideal for landscaping professionals. 3、Proprietary commercial grade copolymer nylon provides superior strength and durability. It is convenient to install and replace the old one directly with a new one which can extend the machine life. 4、Please Wear eye protection and long pants when using this product to avoid injury caused by spilled lines. The product is only suitable for young grasses. For strong weeds, please use other tools such as blades to trim. 5、This is a reliable garden tool replacement accessory, which is pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces. Please install it on the appropriate garden tool machine according to the corresponding applicable model. 1 x String Trimmer Line Item Type: String Trimmer LineMaterial: NylonColor: As shown in the pictureLength: Approx. 120m/ 393.7ftDiameter: Approx. 3mm/ 0.1inWeight: Approx. 985g/ 34.7ozApplication: Suitable for lawn mowers and string trimmers