If you own a Worx string trimmer, you'll eventually need to replace the trimmer line. The Eventronic 15 Pack (WA0010) is a replacement spool option designed for Worx weed eaters, but before ordering, it's worth understanding how trimmer spools work, which models they fit, and what to expect from a replacement.

Understanding Worx Trimmer Line Spools

A trimmer line spool is the component that holds and feeds the cutting line in your weed eater. When the line wears down or breaks, you have two choices: wind new line onto the existing spool, or replace the entire spool. Pre-wound spools like the Eventronic WA0010 save time because they come ready to use with no manual winding required. They also work with the automatic feed system found on many Worx trimmers, so the line advances automatically as you trim.

Checking Your Worx Model for Compatibility

The Eventronic WA0010 is listed as compatible with a long range of Worx string trimmer models, from the WG122 through to the WG180. Before ordering, you need to identify which Worx model you own. Look for the model number on a label attached to your trimmer body, usually near the motor housing or handle. Common Worx model numbers include WG150, WG151, WG155, WG160, WG165, WG170, and WG175, but there are many variations within each series.

If your model number falls anywhere within the listed range—for instance, WG160.1, WG160.2, or WG170.3—the Eventronic WA0010 should be compatible. However, the product description includes a friendly reminder to verify compatibility before purchasing, or to contact Eventronic customer service if you're uncertain. This is sensible advice, as using the wrong spool can lead to poor performance or damage.

What's Included and How Much You'll Get

The 15 Pack includes twelve replacement spools and three replacement caps. This means you're getting roughly a year's worth of spools if you trim regularly, or several years if you use your trimmer occasionally. Having multiple spools on hand means you can swap them out quickly without downtime, and you won't run out unexpectedly during peak gardening season.

The spools are made from high-strength nylon designed to resist breakage during use. Nylon trimmer line is standard across the industry and works well for cutting grass, light brush, and weeds. The material is chosen for durability, so the line should resist fraying and maintain its cutting edge longer than lower-quality alternatives.

Installation and Maintenance

Installing a pre-wound spool is straightforward. Remove the old spool from your Worx trimmer head, insert the new spool, and snap the cap back on. No winding, measuring, or threading required. The automatic feed system does the work for you as you trim, dispensing more line as needed.

To extend the life of your trimmer line, avoid hitting hard objects like rocks, concrete, or metal. Each impact dulls or breaks the line, so keeping your cutting path clear of obstacles matters. Store unused spools indoors in a dry location, as extreme heat or moisture can affect the nylon.

When to Replace Your Spool

You'll know it's time to change spools when the line becomes noticeably shorter, stops feeding automatically, or breaks repeatedly during normal use. Some people prefer to change spools before they're completely worn out to maintain consistent cutting performance. With twelve spools included in the Eventronic WA0010 pack, you won't face a shortage for regular home maintenance.

If you use your Worx trimmer for light weekly lawn edging, you might change spools a few times per year. Heavy-duty users who maintain larger properties or tackle thicker vegetation may go through spools more quickly.

Before ordering the Eventronic 15 Pack (WA0010), confirm your exact Worx model number and verify it matches the compatibility list provided. Doing so takes just a minute and ensures you receive spools that will work properly with your trimmer.

The product in this guide: Eventronic 15 Pack (WA0010) Trimmer Line Spool for Worx Weed Eater