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.

ASIN	B001EVJPFA
Best Sellers Rank	#61,882 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #21 in Hand Snips
Brand	Malco
Brand Name	Malco
Color	Multicolor
Colour	Multicolor
Customer Reviews	3.6 out of 5 stars 1,806 Reviews
Global Trade Identification Number	00686046525662
Hair Type	Straight
Heater Surface Material	Aluminium
Included Components	One each FST2 Fin Straightening Tool
Item Dimensions L x W	26L x 2W centimeters
Item Nype Name	Malco FST2 Fin Straightening Tool
Item Shape	Comb
Item Weight	0.15 Pounds
Manufacturer	Malco
Material	Aluminum
Material Type	Aluminum
Model Name	Malco FST2 Fin Straightening Tool
Power Source	Corded Electric
Product Benefits	Efficiency Improving for HVAC Fins
Product benefits	Efficiency Improving for HVAC Fins
Resulting Hair Type	Straight
Shape	Comb
Size	1
UPC	686046525662
Unit Count	1 Count

Malco FST2 Fin Straightening Tool

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