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Your cart is empty.Megacast economy fiberglass scratch brush with pen-shaped handle can be used for removing rust or corrosion in hard to reach places, cleaning clogged burs, removing excess glue or epoxy, polish metals and many other things.Length is 4-1/2" Brush size 4.3mm.
Erwin Wieland
August 30, 2025
Removes corrosion and polishes without being too abrasive. Good stuff! Priced fairly. Will purchase again.
CloverLeaf
August 26, 2025
Removes rust from those small paint chips (think match-head size of even smaller). Leaves a very smooth finish.
JustYourAverageJoe
August 20, 2025
I’ve used these for years to clean edge connectors and solder pads before soldering, as well as other tasks needing a stiff non-metallic brush. Years ago my original handle was made of metal, which I was able to squeeze the end to make the brush even stiffer, but I haven’t found an affordable replacement since. This plastic one works well but the end can’t be modified to make the brush stiffer.
CDP's Onceagain habit of purchasing
August 17, 2025
Good for a little corrosion, but not perfect.
Alex
July 17, 2025
This brush pen is a fantastic tool for removing scratches from various surfaces. The bristles are durable and effective, and the pen is easy to use. It's a great value for the price,
Sharon J
July 11, 2025
Really works!
Finstall
June 21, 2025
I have many times needed to clean electrical contacts and such on my American Flyer trains and Aurora Model Motoring slot cars. Via YouTube I saw a video of how another electric train guy had cleaned the armatures of the train motor. Well, I had still been in the dark ages using a pink pearl eraser on motor armatures. This other fella had the cleanest armature i had ever seen and mentioned using a fiberglass pencil. Never heard of one. Bought these and used on the sliding switch contacts on track switches. Holy Smokes, fast and easy bright an shiny! I am motivated now to break down the train engine motors to clean them up for the first time since the 1960's!Everybody who rebuilds small electric motors or small tarnished switches needs these! Glad there are three in the pack, my wife already ran off with one.
Vtech
June 16, 2025
Works as described
Roy Whitman
April 12, 2025
The Megacast Fiberglass Scratch Brush Pen has proven to be an invaluable tool for maintaining my HO scale model train motors. It’s compact, precise, and incredibly effective at cleaning delicate components without causing damage.The fiberglass bristles are the perfect balance between stiffness and gentleness, allowing me to clean off grime, oxidation, and buildup from motor contacts and other small parts with precision. The adjustable tip is a standout feature—it lets me control the amount of bristle exposed, which is great for working on different surfaces and levels of dirt.I was initially concerned about durability, but the bristles have held up well after several cleaning sessions. Replacement refills are also easy to find, ensuring that the tool remains useful for a long time.What I appreciate most is how this pen allows me to reach tight spaces and crevices in the motors that would be impossible with traditional brushes. It’s a must-have for anyone serious about maintaining their model trains or other intricate hobbies.If you’re looking for a reliable and effective cleaning tool for small, detailed work, the Megacast Fiberglass Scratch Brush Pen is an excellent choice. It’s easy to use, affordable, and delivers great results. Highly recommended for hobbyists and professionals alike!
Eggman72
March 22, 2025
10/10
Alton Brown
February 6, 2025
Works good
Customer
December 31, 2024
These work better than I really expected. Great for getting in cracks and polishing tiny parts. I tried it out on a paint scraper first, worked on that too.
Peter
December 27, 2024
Excellent
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