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WireTrim® Fiber Line

SKU: 10.400.01

Availability: Order Online or by Phone at 1-800-901-0088

  • Buy 4 for $12.75 each and save 14%
  • Buy 10 for $11.35 each and save 24%

Quick Overview

FiberLine Fiber Tape is a single sided paper tape incorporating a high-strength braided cutting filament. Low tack adhesive suitable for situations where the paint finish might be marginal.

WireTrim® Fiber Line

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WireTrim® FiberLine is a single-sided paper masking tape similar to the original FiberTrim with several technical advancements. A high-strength braided cutting filament is located securely along the outer edge of the adhesive surface and the all new FiberLine is traverse-wound on a plastic spool to prevent damage from rough handling and common workplace contaminants.

FiberLine features a low-tack adhesive suitable for situations where the paint finish might be marginal.

Tape Paper Single Sided
Adhesive Low-Tack
Filament Heavy Duty Braided Fiber
Length 100 Feet per Roll
Width 1/4 Inch

Over the past ten years, WireTrim® Edge Cutting Tape has transformed the spray-on truck bed liner industry, making the previously tedious and intricate trimming process an extremely fast and painless experience.

Tips for using WireTrim® Fiber Line Tape


  • Before laying out the edge cutting tape make sure the area to be masked is clean and free of dirt, tar, and other contaminants.
  • Be sure to leave approximately 6 inches of extra tape at both ends of the wire tape to be used as handles to start cutting the edge of the liner.
  • For long straight runs, first attach the wire tape at your starting point. Unroll enough edge cutting tape to reach the end of the straight run and TUG the tape, putting only enough tension to straighten the line as you slowly begin to attach the other end to your end point (this TUG action will create a perfectly straight line as you hover about 3-5" above the end point). Now the wire tape should be lightly stuck to the surface with the option to re-lift and try again and again. Once the wire trim tape placement is satisfactory, proceed by TAPPING the wire tape down gently every 12" with your fingertips. Do not brush before TAPPING or the wire tape may move! After tapping wire tape in position, run your finger down the line to secure wire tape.
  • For clean corners be sure to stretch the edge cutting tape around the corner to prevent any material bleeding under the tape.
  • Try to use one long run of wire tape rather than short runs (example: Use one piece of wire tape around the outside of the tailgate rather than 4 separate pieces one for each side) This cut downs on the amount of wire tape required and makes for cleaner corners and faster unmasking.


  • Pull cutting wire at approximately 45 degrees into bedliner (for uniform beveled edge) and at 45 degrees in towards the cut line.
  • After cutting edge, SLOWLY remove adhesive tape body from substrate. Rapid removal may result in tape residue left on substrate.


All wire tape and filament bearing products contain fine cutting wire. Handle with care and always wear suitable protective equipment.

Review by Bruce

(Posted on 2/18/16)

FiberLine tape

Works great on spray in bedliners.

Review by Amy

(Posted on 7/24/14)

Fiber Line Tape

We use Fiber Line Tape for our Spray-n-Liners to give us that clean professional cut. Definitely recommend A++

Review by Phil

(Posted on 1/17/14)

Fiberline for our spray in bed liners

We use this product every day on our spray-in bedliners. It works great.

Review by Steve D

(Posted on 11/26/13)

Fiber Line Tape

The fiber line tape works better in our applications and is much easier to clean up afterwards, this line doesn't break on us allowing for cleaner straighter finish lines.

Review by Steve

(Posted on 8/21/13)

Fiber line tape

We use the fiber line over the Wire trim line as it works to our applications much easier and cleaner.

Review by Jack

(Posted on 5/20/13)

Fiber Ilne cut tape for Spray in LIners

I use the Wire Trim Fiber Line for doing my Edge work on Spray in bedliners. It is Very easy to Lay the exact line I need. Then it cuts the perfect line. I would alwas recomend A+++

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