General description Compatible with multiple Ryobi One+ trimmer models, this replacement trimmer line features a high-quality 1.65mm diameter and a length of 3.4m. It is designed to easily cut through grass and weeds, making your trimming tasks more efficient. The Auto Feed System replacement spool eliminates the need for time-consuming manual cord winding. Technical specifications Diameter: 1.65 mm Length: 3.4 m Package includes: 12 packs of replacement trimmer spools and 3 trimmer caps