Nominal
Size
Part
No #
Expansion Range
Diameter
Standard Spool
Sizes
Available
Colors

Min.
Max.
Bulk
Spool
Shop
Spool
9.5mm
3/8"
NHN0.38BK 6.4mm
1/4"
12.7mm
1/2"
152m
500ft
30m
100ft
Black
12.7mm
1/2"
NHN0.50BK 9.5mm
3/8"
15.9mm
5/8"
152m
500ft
30m
100ft
Black
19.1mm
3/4"
NHN0.75BK 15.9mm
5/8"
25.4mm
1"
76m
250ft
15m
50ft
Black
25.4mm
1"
NHN1.00BK 22.2mm
7/8"
31.8mm
1 1/4"
76m
250ft
15m
50ft
Black
31.8mm
1 1/4"
NHN1.25BK 25.4mm
1"
38.1mm
1 1/2"
76m
250ft
15m
50ft
Black
38.1mm
1 1/2"
NHN1.50BK 31.8mm
1 1/4"
44.5mm
1 3/4"
30m
100ft
7.5m
25ft
Black
44.5mm
1 3/4"
NHN1.75BK 38.1mm
1 1/2"
50.8mm
2"
30m
100ft
7.5m
25ft
Black
50.8mm
2"
NHN2.00BK 44.5mm
1 3/4"
63.5mm
2 1/2"
30m
100ft
7.5m
25ft
Black
76.2mm
3"
NHN3.00BK 57.2mm
2 1/4"
88.9mm
3 1/2"
30m
100ft
7.5m
25ft
Black