Are the combs metal on this model? FST2

The combs are plastic, and pretty tough. I have put one of the combs through about 30 hours of tough work, about 100 square feet of coil area, and the comb is still in very good shape. Repairing closed-off fins can be slow and difficult, but brings new life into those expensive condensing units.

The description for this malco fst2 fin straightening tool says it's for 16, 18, 20 or 22 fins per inch. does that work for a window air conditioner?

I'm afraid I do not have a real answer. Mine did not work for my car's AC condensor, the fins were too far apart for the tool even at the 16 setting. Measure the # of fins per inch is my best guess.

what setting is good for home AC units?

It has four different sizes. I use it on my window units. It can be difficult to use but it does work. Not sure if it will fit a home unit but it should.

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Malco FST2 Fin Straightening Tool

Product ID: 144095598

Details

Brand
Malco
Colour
Multicolor
Heater surface material
Stainless
Item weight
68 g
Material
Nylon
Model name
FST2 FIN TOOL

✋Ergonomic offset handles for comfort

⚙️One-piece adjustable combs for precision

🛡️Gentle on soft aluminum fins, no damage

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44856CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Straighten with confidence, finish like a pro!

COMFORT GRIP - Ergonomic offset handles reduce hand fatigue during extended use.
ALUMINUM FRIENDLY - Specially designed to straighten soft aluminum fins without causing damage.
PRECISION PERFECTED - One-piece adjustable combs ensure flawless fin alignment every time.
COMPACT LIGHTWEIGHT - Weighing just 68g with a sleek 10.25" length for easy portability and control.
TRUSTED CRAFTSMANSHIP - Manufactured by Malco, a leader in professional HVAC tools.

The Malco FST2 Fin Straightening Tool features one-piece adjustable nylon combs designed to straighten soft aluminum fins without damage. Its ergonomic offset handles provide comfort during use, and its compact, lightweight design (68g, 10.25" length) makes it ideal for professional HVAC technicians seeking precision and durability.

Specifications

ASIN	B001EVJPFA
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	666,048 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,868 in Hand Tool Sets
Colour	Multicolor
Customer Reviews	3.6 3.6 out of 5 stars (1,801)
Date First Available	15 Aug. 2012
Included Components	One each FST2 Fin Straightening Tool
Item Package Quantity	1
Item Weight	68 g
Item model number	FST2
Manufacturer	Malco
Material	Nylon
Part Number	FST2
Power Source	Corded Electric
Product Dimensions	26.04 x 10.8 x 5.08 cm; 68.04 g
Shape	Comb
Size	1

Reviews

Z**R

Nice product

26.01.2026

N**E

I could not believe how easy to use this tool is. The results were incredible. The previous owner used a pressure washer to clean the coils, and flattened quite a few areas on the coil. The A/C repairman recommended getting a new coil, I never got a price, but I managed to straighten almost all of the fins for $50. Can’t beat that, this thing works and works well for anyone.

17.09.2022

م**ي

السعر 130 ريال وكنت اتوقع الكاولتي عالي لكن للاسف مصنوع من البلاستيك لو الاسنان مصنوعه من الالمنيوم او الحديد اعطيه 5 نجمات

8.07.2023

S**I

يمكن تم تفصيل شعيرات المنتج على مكثفلت غير موجوده على سطح الارض جربت على السيارات الجابانيه والامريكيه ولا يوجد تطابق بين الشعيرات وشعيرات المكثف

9.07.2023

E**C

Needed it after a storm. Did the job.

8.04.2026

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