Well-suited for all users, our Gatorline Trimmer Line features long-lasting, high-quality materials and fits most standard trimmer heads. .65" diameter trimmer line is an ideal fit for many string trimmer models, including but not limited to: Worx GT Revolution WG170 and WG163, Black and Decker LST136 and LSTE523 and Greenworks 21332. Gatorline is compatible with most standard trimmer heads including fixed-line, semi and automatic bump-feed heads. Additionally, it fits most gas, electric, and battery-powered curved and straight shaft string trimmers. Check your string trimmer manual for recommendations and to ensure that larger lines will work with your trimmer. This trimmer line is packaged in a user-friendly donut which prevents tangles.

• Impact resistant – Gatorline is made from a Nylon co-polymer that is fortified with additives so it lasts longer and breaks less
• Round trimmer line – the most popular trimmer line shape. Offers effective cutting for a range of applications. More durable and longer lasting than square trimmer line
• Fits many popular string trimmer models including, but not limited to: Stihl FS 45 and FS 4 C, DeWalt DCST92P1 and DCST97X1, Ryobi RY422 and Greenworks 21362
• Twisted trimmer line – Produces fewer decibels and less drag than other shapes for less noise while trimming. The twist shape also delivers a straight cut, making it perfect for trimming around flower beds

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

This part fits:Stens - 380-303