Features: Made of high quality material, durable and sturdy, resistant to scratches and corrosion. Easy to install, no tools required. Simply snap into place nad with the spool line, convenient to use. Protect your fishing line and keep it in place on your fishing line trimmer. Technical data: Color: as shown Material: plastic Size: 4m1,6mm Included: 3 pcs. x line do trimmer do grass How to replace the thread spool: - Remove the battery from the device - Open the drum by pressing two release buttons on the drum at the same time - Remove the drum cover and remove the bobbin - Push the ends of the thread of the new thread spool out of the holes in the trimmer spool - Insert the new bobbin do of the drum so that the arrows indicating the direction of travel are visible on the bobbin after inserting it - Then put both ends of the thread through the opposite eyelets - Put the cover back on the drum - Pull za the ends of the thread and press the locking button several times until both ends protrude approx. 1 cm nad thread cutter. Real photos shared by our customers Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 395 hours Hope you have a pleasant shopping experience!