NanoFil: A Line Revolution

I’ve been using the new Berkeley NanoFil line now for over 8 months and in that time its spawned huge conversation and interest with the people I’ve been fishing alongside. I’ve also been getting a growing number of questions re NanoFil fired at me via Facebook and e-mail from anglers who have picked up on the NanoFil story from its exploits on the USA freshwater bass scene.
Its time to break the silence!


NanoFil is formed from gel-spun polyethylene. It is created using hundreds of micro Dyneema nanofilaments which are molecularly bonded together and shaped using a special process to create an ultra thin diameter, ultra strong, supple line that is neither a monofilament, nor a braid.

To give you some idea of diameter, in the smaller breaking strains, the photo below shows an older human male hair at the top, NanoFil in the middle, and a human female hair at the base of the photo.


One of its main advantages is that it offers a very smooth surface area. This creates minimum friction when passing over the spool lip of a fixed spool reel. This incredible coefficient nature means the line will cast lures, especially lighter lures, significantly further for the same amount of physical effort on the part of the angler. This as one of the things I noticed about NanoFil the very first time I cast with it.

Another major attribute of NanoFil is that it casts extremely accurately as its thin diameter and smooth surface create less ring and wind friction, especially with long ring tunnel rods such as the ABU Revo Bass range.

I’ve been using NanoFil mainly for working lures so far, initially for bass both boat and shore, but also for pollack and cod off the boat. I’ve found it offers excellent abrasion resistance, has minimal memory, does not absorb water and has no perceptible stretch. Its bite detection qualities are such that I recently fished an ABU Revo Bass 8ft rod with a Soron STX40 loaded with 20lb line for mini species at range off the shore. I caught 16 different species in the one day and some of those bites I would not have seen if I’d been using standard lines.


One thing you need to be aware of is that NanoFil, due to its smooth surface finish, requires good knots. To join NanoFil to Fluorocarbon or mono leaders, I prefer a 5 to 7 turn Uni-knot for the mono or FLC depending on line strength, but use at least double those turns for the Uni-knot on the NanoFil. Other good knots to use with NanoFil are the Albright and Alberto knots for leaders, and for general attaching of links etc, either a 10 plus turn Uni-knot again depending on the line breaking strain used, or a double Palomar knot. If you peel off the sticker on the front of the spool, it shows you how tie some relevant knots.

I have NanoFil loaded on three different reels, and one spool of Nanofil was the first sample I had and has fished continually without problem.

Currently NanoFil will be available in the UK in breaking strains up to 0.20mm equating to 12.6k or 28lb, spool sizes for sea angling are in 125 and 270m spools, and it comes in a Clear Mist colour for minimum visual impact. By next year its likely breaking strains up to 50lbs will be available, with two more colours potentially added.

It’s also interesting to note that all NanoFil display packaging is eco friendly and will degrade over time to leave no pollution.

NanoFil looks set to start a line revolution, and not just within sea fishing. Coarse anglers, carp anglers and fly fishermen that have had test samples are finding methods where NanoFil offers major fishing advantages over standard braids and mono’s.

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