WA0014 Trimmer Line Replacement Spool Compatible for Worx WG168 WG184 WG190 WG191 WG191.9 automatic feed trimmers. Spool cap model: WA0037.Premium Quality: Our spool replacement is made of durable ABS material and polyamide nylon thread. Pliable, flexible and long-lasting.Weed eater replacement spools for Worx WG184 string trimmer line,Length 20 foot trimmer line provides a wider range of mowing area. 0.080 inches diameter wearable line supports fast cutting and longer lifetime.Easy to use: The Auto Feed System replacement spool frees you from tedious manual windings. Utilizes centrifugal force and aerodynamics to reduce drag and achieve fast cutting.Note: Wear safety goggles and long pants when using this product to avoid injury from spilling lines. Unplug tool before changing, installing, or removing accessories. Only Suitable for tender weed grass. Tough and strong weeds please use blades to trim.Colour: As shownMaterial: ABS, NylonPackage Contents:6 * WA0014 replacement spool1 * WA0037 replacement spool capOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.