The Makita 195858-1 Spool Set is designed for use with Makita grass trimmer models DUR181, DUR141, and UR180D. It features a low-profile design for efficient grass cutting with less drag. The spool allows for quick and easy line attachment and removal. The bump line feed mechanism facilitates adjustment without stopping the trimmer, and the metal-reinforced bump knob enhances durability and protection. This set includes 2 x 6M lines.