The Ryobi strimmer spool is a must-have for owners of Ryobi 18V, 24V, and 40V string trimmers. Compatible with Ryobi's One+ AC14RL3A and Olt1832 rac124 models, it ensures consistent string trimming performance. This spool is designed for the Karcher LTR 18-30 (14443120) strimmer as well, providing a perfect fit. For those using Greenworks 24V trimmers, this spool is the perfect solution for their spool and line needs. The Ryobi strimmer spool is constructed with high-quality materials, ensuring durability and reliable performance. It's designed to minimize string tension, making it simple and safe to operate. With its long-lasting design, you'll be able to complete more jobs and save money in the long run. In short, the Ryobi strimmer spool is an essential addition to your landscaping and gardening toolkit.