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Weed Eater String .155 inches Heavy-Duty Square Trimmer Line 5LB 429 Feet Commercial Weed Wacker String Spool

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$36.99

$ 16 .99 $16.99

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About this item

  • 1.High-quality Material:The trimmer line is made from nylon with excellent toughness. It is a commercial string trimmer line with nice wear resistance and tensile strength.
  • 2.Specs: The diameter of .155 inches makes it both tough and sturdy. It is suitable for lawn mower and other high power machine. The weight is 5 LB, about 429 feet.
  • 3.Shape: Square weedeater string line. The square type trimmer line has sharp edges. It has better effect during trim grass.
  • 4.Note: The same length of trimmer line shall be reserved at both ends of the trimmer head. To ensure that the mower will not vibrate due to imbalance during use.
  • 5.Store: It is recommended to store the trimmer line that has not been used for a long time in a place away from light and humidity. And place the spool with a damp sponge in a sealed box for 24-48 hours before you use it.


Heavy-Duty Square Trimmer Line (0.155") – Professional-Grade Cutting Performance 

**Product Overview**

The 0.155-inch heavy-duty square trimmer line is engineered for commercial landscaping, forestry, and tough vegetation control. Its square-edged design delivers superior cutting power, making it ideal for clearing thick weeds, brush, vines, and even light woody growth.


**✅ Key Advantages** 

1. Aggressive Cutting Performance - Square profile creates sharper edges for faster, cleaner cuts through dense vegetation. - Outperforms round or twisted lines in heavy brush, tall grass, and stubborn weeds. - Maintains cutting efficiency even as it wears down.

2. Extreme Durability- High-impact nylon blend resists abrasion from rocks, fences, and hard debris. - Longer lifespan than standard trimmer lines, reducing replacement frequency. - UV-resistant to prevent degradation in outdoor conditions. 

3. Optimized for Commercial Use- Designed for high-power trimmers (40cc+ gas or 1,000W+ electric. - Works with bump-feed and auto-feed heads (compatible with Stihl, Husqvarna, Echo commercial models). - Reduces line tangling for smoother operation.

4. Versatile Applications

✔ **Overgrown fields & pastures**

✔ **Roadside/right-of-way maintenance**

✔ **Forest undergrowth & light brush clearing**

✔ **Vineyards & orchard management**


---**⚠️ Limitations**

- Not for low-power trimmers– Requires professional-grade equipment to function effectively.

- Louder operation – Square edges generate more noise than round lines at high RPM.

- Rough on turf – Not ideal for fine lawn edging (may scalp grass if not used carefully). 


**Not Recommended For:**

❌ Homeowners with lightweight trimmers

❌ Precision lawn grooming 


**💡 Pro Tips**

- Pair with a reinforced trimmer head for smooth line advancement.

- Wear protective gear – Debris may kick back more aggressively vs. round lines.

- Store indoors to maximize lifespan (UV exposure weakens nylon over time). 


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