How to Refill Trimmer Line?

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A trimmer line has been carefully created to cut through your lawn’s overgrown hedges, grass, and other vegetation. The weed eater, weed whip, or whipper snipper tool is made by combining a trimmer line and a string trimmer.

It cuts grass, weeds, and small woody plants using a monofilament line. Cutting is possible because a cutting head spins at a high enough speed to provide enough centrifugal force to keep the line out at a stiff, horizontal angle.

Cutting heads and lines can be swapped out on several versions to accommodate different line gauges. Of course, you should double-check your cutting head’s gauge capabilities, but depending on the job at hand, you’ll have lots of possibilities. The trimmer line comes in handy when it’s time to cut the grass at the edge of your yard. It’s a tool that a lot of homeowners and gardeners utilise.

Types of Trimmer Line

  • Multi-Sided Trimmer Line: It’s ideal for the large lawn. It’s perfect for weeding thickets and commercial use. It can be divided into smaller lines in the shape of a pentagon, a star, or a square.
  • Round Trimmer Line: It does not easily break when it comes into touch with a tree or concrete. It’s also great for cutting back overgrown vegetation. Trimming the hard-to-reach plant edges along the lawn’s perimeter. It has a simple shape and does not wear out quickly, making it long-lasting.
  • Serrated Trimmer Line: It’s great for getting rid of dense grass, and the results are clean and tidy. Its teeth-like structure makes it ideal for chopping down overgrown plants. Its cutting abilities are efficient, and it is ideal for large yards. It’s ideal for light to medium-duty trimming jobs.
  • Twisted Trimmer Line: It’s designed for commercial use and is perfect for removing overgrown and dense weeds from larger lawns. It operates quietly and cuts evenly. When it collides with concrete or a tree, it does not break.
  • Square Trimmer Line: It is thicker and larger, and it is square. Cutting through tall grass is simple. It can clear tall grass or plants, making it suitable for larger lawns.

Different Sizes of Trimmer Line

  • 0.065-0.085 inches: Only for light tasks such as mowing the front and back lawns of a house. When you have a lawn with little grass and thin weeds, you should use this size trimmer line because it is most suited for the job.
  • 0.085-0.110 inches: For hard work, such as medium-sized lawns and commercial use, as well as medium and small lawns where weeds are high and you want the trimmer line to be more active and trustworthy.
  • 0.110+ inches: For dense weeds and thick grass. Typically used in larger lawns and gardens when grass clipping takes a long time. It has both commercial and industrial use.

How to Refill Trimmer Line?

Step1: Unlocking bottom cap

To proceed, unscrew the bottom cap by pinching the slotted region on both sides of the spool housing.

Step2: Removing the spool                       

Remove the spool and the old line from the spool. Fold the new one such that one half of the line is 4.7 inches shorter than the other. There will be a bent end that you must connect into the spool slot after that.

Step3: Setting in the correct direction

Set up the line in the proper direction, as shown on the spool.

Step4: Hooking each end correctly

Each line’s end should be hooked into the slot on the spool’s edge. After that, thread each end of the cable through the eyelets on the housing. Check that all of the springs and washers are in their proper locations.

Step5: Releasing ends from the slot

While holding the spool against the housing, pull on the ends of the line to free them from the slot.

Step6: Lining up the slot

You’ll need to line up the slot on the bottom cap with the hook on the housing. Press the cap firmly against the housing until a click is heard. That concludes the procedure. The trimmer line is refilled in this manner. It’s a straightforward process. To gain a better understanding of the tool, read the instruction booklet that came with it.

Read: How to Test if a Wire is Live with a Multimeter?

Safety Tips

  • Use an extension cord with adequate wire thickness. Examine the cord to see if it has enough wiggle room to assist you in getting the task done. To avoid mishaps, you should also keep the extension cable behind you and the tool in front of you.
  • Make sure your clothing is form-fitting and durable. Check to see if the garments you choose give adequate protection. Ensure that the clothes do not rip as a result of the branches during the procedure. To protect your feet, always wear a solid pair without a covering.
  • Make sure you’re using safety goggles to keep debris and other dust particles out of your eyes. Wear a dust mask to protect yourself from inhaling fumes and dust. To protect your hands, put on gloves. They’ll also help you get a better grasp on things.
  • Make sure the tool isn’t left in an unprotected location where it could be accessed by children. Keep it somewhere clean, dry, and secure.
  • When dealing with thorny twigs or thick branches, never force the tool. It may produce problems with a rebound. To safeguard you in this event, let go of the tool and switch it off.


The Trimmer Line is important gardening equipment, and knowing how to use it can be advantageous. You can make the most of your trimmer line while maintaining a lovely lawn. To learn how to refill a trimmer line, follow the instructions outlined above.


What are the items that are needed to refill the trimmer line?

String trimmer and trimmer line are the items needed to refill the trimmer line.

Is every trimmer line the same?

They also come in a variety of shapes, but the shapes serve a purpose other than aesthetics. Trimmer line shapes affect how well and how quickly a trimmer cuts. Round, twist, square, 5-point (star), 6-point, and other forms are the most frequent trimmer line shapes.

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