This site will not give an interval, because none is published. What is checkable: a line that comes off in coils has taken a set, and the last two metres fail.
What goes unpublished
No maker on this shelf publishes a replacement interval that means anything, and this site does not invent one.
What the listings do describe are the properties that decide the answer: stretch, memory — one nylon names « wenig Drall », low twist — and abrasion resistance. Those are the three that govern whether a line is still usable in a second season.
What is checkable
A line that comes off the spool in coils has taken a set from the spool, and it casts badly whatever its age.
The last two metres after a session over gravel, mussel or concrete are abraded, and that is where a break happens. Cut them back and re-tie — it is the cheapest insurance on this site, and the reason a pair of pliers with a carbide cutter belongs in the bag.
And a diameter you cannot identify is a reel you will over-fill: note what went on, and when.
Where this page disagrees with the maker’s own documentation, the documentation wins. Every length, casting weight, test curve, line diameter, breaking strain, reel size, retrieve per turn, drag force, buoyancy rating, mesh size and mass on this page is the maker’s own published figure, in the unit as printed, credited to whoever printed it. Nothing here is measured, and no figure is restated in another convention — a pound test curve is not turned into grams, and a kilogram of breaking strain is not turned into pounds, because a converted number is a different number. And the pair this page will not separate: a diameter and a breaking strain are one figure in two halves. Two lines at 0,18 mm can break at different loads, and two lines at the same load can be different diameters — which is the whole of the choice. A listing that publishes one of the two has published half a specification, and this page says which half is missing rather than filling it in.
The questions that keep coming back
Why does a line come off in coils?
It has taken the shape of the spool — what the trade calls memory, and what one listing names as « wenig Drall » when a line resists it. A coiled line casts badly and tangles.
Does braid last longer than mono?
It keeps its strength longer and abrades faster. Neither is an interval, and both fail at the last two metres first.
Is the leader part of this?
It is the part that takes the damage. A fluorocarbon or nylon leader over gravel is the sacrificial section, which is exactly why it is there.
Last reviewed 22 September 2026