Bank line is a strong, inexpensive, black twine (or cord). Our buying guide lists its many uses and specifications for the sizes we sell

Bank Line - The Thread Exchange
Information Topics
Bank Line Buying Guide
Bank Line Uses
Bank Line Specifications

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Bank Line Buying Guide
Bank line is a strong, inexpensive, black twine (or cord) used for netting, bushcraft, and beading. This buying guide explains bank line's uses and specifications.

Bank Line Uses
Bank line cordage is a black polypropylene twine that is similar to tennis netting. It is exceptionally strong, sunlight (UV) resistant, abrasion resistant, and inexpensive. Bank line also holds knots exceptionally well. This makes it a favorite for camping, hunting, fishing, and any other use where a strong twine may be needed.
Popular Uses for Bank Line
Binding
Bushcraft
Gardening
Hand Sewing
Litter Netting (Waterways)
Loom Knitting
Rope Whipping
Securing Tarps
Seine Netting
Shelter Lashing
Snares
Sports Netting
Stringing Wind Chimes
Survival Beads
Survival Packs
Tent Guylines
Weaving

Bank Line Specifications
We sell bank line in six sizes. As thickness increases, strength increases, yards per pound decreases, and cost per yard increases. Let the thickness of the material and your strength needs guide your choice.
Bank Line - Size 6
Average Strength:
21 Lbs. (9.5 kg)
Yards per Pound: 1500

Average Thickness:
29/1000" (0.029 In.), or 0.74 mm 
Size 6 bank line is about 3/4 the thickness of a U.S. dime.
Bank Line - Size 9
Average Strength:
44 Lbs. (20.0 kg)
Yards per Pound:
1170

Average Thickness:
31/1000" (0.031 In.), or 0.78 mm
Size 9 bank line is about as thick as a U.S. dime.
Bank Line - Size 12
Average Strength:
47 Lbs. (21.3 kg)
Yards per Pound:
870

Average Thickness:
41/1000" (0.041 In.), or 1.05 mm
Size 12 bank line is about as thick as a U.S. penny.
Bank Line - Size 15
Average Strength:
52 Lbs. (27.2 kg)
Yards per Pound:
640

Average Thickness:
49/1000" (0.049 In.), or 1.24 mm
Size 15 bank line is about as thick as a U.S. quarter.
Bank Line - Size 18
Average Strength:
53 Lbs. (24.0 kg)
Yards per Pound:
600

Average Thickness:
54/1000" (0.054 In.), or 1.37 mm
Size 18 bank line is about 2/3 the thickness of a U.S. nickel.