General description The WA0037 Replacement Spool Cap is designed for use with Worx WG184, WG190, WG191, and WG168 Auto Feed Grass Trimmers. This essential component holds the trimmer cord in place, preventing weeds from getting caught in the spool and protecting your lawnmower from damage. Technical specifications Compatible with Worx Parts WA0014 cutting spool Measurement tolerance: +/- 1-3 cm Product size is measured manually; there may be errors Installation Easy to install; attaches to the spool without tools Other information Since different monitors display different colors, please refer to the actual color received Please confirm the size before purchasing