will this work for the metri-pack 480?

Yes, it works for the metri-pack 480 connectors.

There are multiple terminals covering the same wire gauge. are they all in awg? which terminals are for the wire, and which are for the insulation?

Not sure if I understand the question correctly, but I think you're asking 2 different things. The wire needs to be stripped back then inserted into the terminals, after you put the boot on the insulation of the wire. There's a video on the Amazon crimper page that shows it being a 2 step process. You crimp the wire first then the part that goes around the boot and insulation. As to AWG wire gauge I've gone as big as 16 on these terminals and as small as 22. It takes practice to get a good crimp

ASIN	B07476C1LD
Best Sellers Rank	#226,536 in Home Improvement ( See Top 100 in Home Improvement ) #28,786 in Hand Tools (Home Improvement)
Brand	IWISS
Brand Name	IWISS
Colour	Orange
Customer Reviews	4.6 out of 5 stars 1,412 Reviews
Grip Type	Ergonomic
Handle Material	Alloy Steel
Item Weight	200 g
Manufacturer	ZHEJIANG IWISS ELECTRIC CO.,LTD
Manufacturer Part Number	IWS-1424A-SY
Model Number	IWS-1424A
UPC	600685977347
Unit Count	1.0 Count

iCrimp Crimping Tool for Delphi AMP TYCO Deutsch Molex Terminals Crimping Tool 24-14AWG

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