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.

Malco Fst2 Fin Straightening Tool

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Bs.1653

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

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Description

🛠️ Straighten with precision, protect with care — the pro’s secret weapon!

GENTLE YET EFFECTIVE - Resilient nylon comb material safeguards delicate aluminum fins from damage while restoring optimal airflow.
COMPACT LIGHTWEIGHT - Portable 10.25" x 4.25" x 2.0" tool fits easily in your toolkit for on-the-go HVAC maintenance.
ERGONOMIC GRIP DESIGN - Comfortable offset handles reduce hand fatigue and protect knuckles during extended use.
PRECISION FIT FOR DENSE FINS - One-piece adjustable combs tailor to 16-22 fins per inch, ensuring flawless straightening in tight spaces.
VERSATILE PUSH PULL ACTION - Efficiently straighten bent fins even in hard-to-reach condenser or evaporator units with multiple passes.

The Malco FST2 Fin Straightening Tool is engineered for HVAC professionals and DIYers to restore bent aluminum fins on condenser and evaporator coils. Featuring adjustable one-piece nylon combs that fit 16 to 22 fins per inch, it straightens delicate fins without damage. Its ergonomic offset handles provide comfort and knuckle protection, making it ideal for precise, efficient fin repair in tight spaces.

Specifications

ASIN	B001EVJPFA
Benefits	Straightening
Best Sellers Rank	699,857 in DIY & Tools ( See Top 100 in DIY & Tools ) 3,104 in Hand Tool Sets
Brand	Malco
Brand Name	Malco
Colour	Multicolor
Customer Reviews	3.7 out of 5 stars 1,834 Reviews
Global Trade Identification Number	00686046525662
Hair Type	Normal
Heater Surface Material	Stainless Steel
Included Components	One each FST2 Fin Straightening Tool
Item Dimensions L x W	26L x 10.8W centimetres
Item Shape	Comb
Item Weight	0.01 Ounces
Manufacturer	Malco
Manufacturer Part Number	FST2
Material	Nylon
Material Type	Nylon
Model Name	FST2 FIN STRAIGHTENING TOOL
Model Number	FST2
Number of Items	1
Power Source	Corded Electric
Product benefits	Straightening
Resulting Hair Type	Straight
Shape	Comb
Size	1
UPC	686046525662
Unit Count	1.0 count

Reviews

Z**R

Value for money

Nice product

26.01.2026

م**ي

كنت اتوقع انه مصنوع من الحديد

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

R**D

Lowest possible quality

Absolutly horrible quality. Something you would expect to cost 5 €. Sending it in return will cost you money so do not order it!

26.07.2026

S**I

غير مطابقه لاي نوع من السيارات

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

S**A

Good quality, works as it should.

Received quickly, works as it should.

24.09.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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1 week ago

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Bs.1653

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.