Coil Nail includes coil wire nails and coil roofing nails. Coil nail is designed for use in a pneumatic nail gun assembled in coils.
Coil wire nails typical sizes:

Shank	0.083''	0.090''	0.099''	0.113''	0.120''	0.131''
	2.1 mm	2.3 mm	2.5 mm	2.87 mm	3.05 mm	3.33 mm
Length	31.8-50.8mm	38.1-57.2mm	44.4-63.5mm	57.2-76.2mm	60.3-95.3mm	76.2-101.6mm
	1 1/4''-2''	1 1/2''-2 1/4''	1 3/4''-2 1/2''	2 1/4''-3''	2 3/8''-3 3/4''	3''-4''
Finish	ELECTRONIC GALVANIZED/HOT DIPPED/MECHANICAL GALVANIZED

Coil roofing nails typical sizes:

Shank	0.120''	0.120''	0.120''	0.120''	0.120''	0.120''
	3.05 mm	3.05 mm	3.05 mm	3.05 mm	3.05 mm	3.05 mm
Length	19.05mm	22.23mm	25.40mm	31.75mm	38.10mm	44.45mm
	3/4''	7/8''	1 ''	1 1/4''	1 1/2''	1 3/4''
Finish	ELECTRONIC GALVANIZED/HOT DIPPED/MECHANICAL GALVANIZED