Stroft GTM

Stroft GTM
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List Price:  £6.19
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Model:  stroft-gtm-0-14mm
Bar Code:  886741000963
Brand:  The Essential Fly
Manufacturer:  The Essential Fly



In Stock

  (12 Reviews)

Buy Any 6 Tapered Leaders or Droppered Leaders
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Stroft Fly Fishing Tippet - The World's Best

This is by far the best tippet material available on the market. Stroft means STRong and sOFT and it really is. Used with the knots recommended (shown on the spools) you can get almost 100% knot strength which is superb. Stroft GTM is a blue grey transparent polyamide which is stunning for dry flies or nymphs down to even the smallest sizes.

Diameter Breaking Strain kg Breaking Strain lbs
0.060 0.700 1.540
0.080 1.000 2.200
0.100 1.400 3.080
0.120 1.800 3.960
0.140 2.200 4.840
0.160 3.000 6.600
0.180 3.600 7.920
0.200 4.200 9.240
0.220 5.100 11.220
0.250 6.400 14.080


What does the EFTTA seal of quality mean and how is it achieved?

As a couple of years ago more and more fishing lines with unrealistic breaking strains came on the market the EFTTA (European Fishing Tackle Trade Association) reacted and set up a neutral test procedure in a laboratory in Great Britain. Since then all manufacturers are able to have the diameter and breaking strain of their lines neutrally verified. When the manufacturer’s values correspond with the test results then they are awarded the EFTTA seal of quality. Further information to the EFTTA line test can be found here: As of now the consumer has the opportunity to separate the wheat from the chaff and buy verified, quality products that carry the EFTTA seal of approval. One should certainly wonder why some products do not carry the EFTTA seal of approval, particularly when the breaking strains seem comparatively high.

What does line test, breaking strain and tensile strength mean?

The breaking strain, or line test of a fishing line describes the maximum amount of force that a line can pull before it breaks. We use the term “(Fmax)“. The correct unit for force is actually N (Newton). 9.81 Newton = 1kp, but this is somewhat depending on one’s geographical position (Kilogram is actually the unit of mass and does not depend on the strength of gravity). For example, an object that weighs 1kp on earth would weigh slightly less in some places on earth and a lot less in outer space (weightlessness). The mass, however, stays the same no matter where it is exerted. But as there aren’t many fish on the moon it’s okay to rate line strength in kg or indeed lb (pound) as in Great Britain or America. The tensile strength (Rm) of a line is the result of dividing the breaking strain “(Fmax)“ with the area of its cross section (S). This results in (Rm = Fmax / S) and is expressed in kg/mm2. Conversely, it’s easy to work out the breaking strain of a line by multiplying the tensile strength (Rm) with the cross sectional area (S) which gives (Fmax = Rm x S), the breaking strain. If the line is round then the cross sectional area (S) can be worked out using the diameter (d), then (S=d2 x 0.785). Every angler does this subconsciously as the breaking strain alone is not an indicator of the tensile strength of a fishing line. The breaking strain is only of relevance in connection with the diameter or cross-sectional area of a fishing line. The tensile strength (in relation to the prevailing conditions; hot, cold wet, dry without knots and knotted) is only one of many different properties that are of relevance for fishing lines. However, it is the singularly most important property. Also, tensile strength strongly influences many other properties. The finer the fishing line (in relation to its breaking strain) the lower is its visibility, the memory, the elasticity and the water resistance – lures work better, bait presentation is more natural, sensibility is increased, casting distance and accuracy are improved.


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Stroft GTM was last modified on 02/10/2014 11:15


Customer Reviews

One of the great ways of checking quality is to see reviews by other customers about Stroft GTM and other fly fishing products. To date we have 12 customer plus reviews and comments can be made by Facebook. Please leave your feedback and reviews to help other fly fishermen.

Since 2006 we have had thousands of reviews from tens of thousands of customers world-wide, check the latest reviews here. Let us know what you think about this.

Customer Reviews for Stroft GTM

Average Rating (12 Reviews):  
Write a Review and share your opinions!

Stroft GTM
Sunday, 5 May 2013  | 

Good leader material + excellent service

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This review has not been appraised.

Tippet Material
Saturday, 26 January 2013  | 

If am a dyed in the wool dry fly river fisher of more years than I care to remember, I used slightly heavier stroft previously, this time I chose 0.14mm, Great stuff

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This review has not been appraised.

Stroft GTM
Saturday, 14 July 2012  | 

I've used it for several years & have found it to be the best tippet I've used.
Very supple & excellent strength.

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This review has not been appraised.

Stroft ABR 0.16 & GTM 0.20
Wednesday, 1 February 2012  | 

Awesome mono. The Kg. test to line diameter ratio is incredible. I din't know how they do it. The knot strength is impressive and i don't even notice any line memory. Both lines perform flawlessly.

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2 of 3 people found this review helpful.

stroft tippet
Friday, 24 September 2010  | 

quick and painless service. Can't comment on the goods as have not used yet

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43 of 94 people found this review helpful.

stroft gtm
Tuesday, 24 August 2010  | 

very good tippet material
saw results very quickly extremely pleased with product

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50 of 101 people found this review helpful.

Thursday, 29 July 2010  | 

very good fine line

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56 of 107 people found this review helpful.

stroft gtm
Sunday, 11 July 2010  | 

This is the best money can buy.

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57 of 111 people found this review helpful.

Stroft, superb but watch those knots
Sunday, 6 June 2010  | 

Supple, one of the strongest for a given diameter and virtually invisible ..but as mentioned before you do have to watch those knots. Blood knots MUST be tucked.

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57 of 114 people found this review helpful.

Stroft, a superb tippet material
Sunday, 23 May 2010  | 

i have found this to be an excellent line that is performing reliably over the four strengths I have so far purchased. Supplied with your usual degree of dependancy, thankyou.

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32 of 93 people found this review helpful.

Read all 12 customer reviews...

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