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

Kg/100m
Lbs/100ft
Min.
Max.
Bulk
Spool
Shop
Spool
6.4mm
1/4"
SDN0.25BK 6.4mm
1/4"
12.7mm
1/2"
152m
500ft
30m
100ft 
Black
1.56
1.05
12.7mm
1/2"
SDN0.50BK 12.7mm
1/2"
25.4mm
1"
76m
250ft
30m
100ft
Black 2.75
1.85
19.1mm
3/4"
SDN0.75BK 19.1mm
3/4"
31.8mm
1 1/4"
76m
250ft
15m
50ft
Black 3.42
2.30
25.4mm
1"
SDN1.00BK 25.4mm
1"
38.1mm
1 1/2"
76m
250ft
15m
50ft
Black 4.09
2.75
31.8mm
1 1/4"
SDN1.25BK 31.8mm
1 1/4"
50.8mm
2"
76m
250ft
15m
50ft
Black 4.46
3.00
44.5mm
1 3/4"
SDN1.75BK 44.5mm
1 3/4"
69.9mm
2 3/4"
30m
100ft
7.6m
25ft
Black 5.94
4.00
57.2mm
2 1/4"
SDN2.25BK 57.2mm
2 1/4"
76.2mm
3"
30m
100ft
7.6m
25ft
Black 7.88
5.30