General description The Pack of Nylon Lawn Mower Replacement Spool is an essential accessory for maintaining your lawn. This product includes two replacement grass trimmer spools, each measuring 9m in length with a diameter of 1.6mm, along with a cap pack and a spring. The spool can be easily inserted and removed without tools, ensuring that your device remains undamaged. Technical specifications Length of each spool: 9m Diameter of cutting line: 1.6mm Material: Durable polyamide nylon Installation Pass the trimmer line through the through hole and press it down. Insert the spring on the spool cap into the bottom slot of the trimmer. Press and rotate until the latch clicks into place to complete the installation. Usage The automatic feeding system of this replacement spool eliminates the need for manually winding spools, making the mowing process easier and more efficient. This feature significantly reduces workload and enhances work efficiency.