Name	W6 ST3 FLUOROCARBON 25M 0.44MM 11.6KG/25.5LBS CLEAR
EAN	5707549490532
MPN	L005-440-25
Brand	Westin
Line Diameter	0.44mm
Breaking Strain	11.6kg
Color	clear
Spool Length	25m
Material	Fluorocarbon
Water Type	Freshwater
Percentage Stretch	Very Low
Construction	Fluorocarbon
Abrasion Resistance	High
Sink Rate	fast_sinking
Hardness Rating	medium
UV Resistance	UV Resistant
Transport length	7.3cm

Fluorocarbon leaders can be engineered with a varying degree of suppleness, rated ST1 to ST5, to perfectly match the fishing style and prevailing conditions. A fluorocarbon line with an ST1 rating is designed to offer maximum stiffness, providing excellent sensitivity and optimal control for precision casting and hook-setting. At the other end of the spectrum a fluorocarbon line with an ST5 rating is engineered for maximum flexibility, allowing for increased knot strength and durability. Whether you need a stiff fluorocarbon line for finesse presentations or a supple line for improved handling, our range of lines with different ST ratings has you covered. W6 ST3 Fluorocarbon delivers maximum impact and knot strength, all with a small diameter. Fast-sinking line that gets you in the "strike zone" quicker - and with a lower refractive index than monofilament line, it is significantly less visible underwater. W6 ST3 fluorocarbon is offered in diameters from 0.14mm to 1.20mm. Fast sinking Exceptional knot and tensile strength 100% Fluorocarbon Medium stifness * High knot strength

Frequently asked

What is the difference between the ST3 rating and other Westin ratings?

The ST3 rating represents medium stiffness, offering balanced sensitivity and knot strength. ST1 is stiffer for precision casting, while ST5 is more flexible for handling. ST3 is ideal for most predatory fish applications.

Why is fluorocarbon preferred for leader lines?

Fluorocarbon has a lower refractive index than water, making it nearly invisible to fish underwater. It also offers superior abrasion resistance and sinking properties compared to monofilament.

Which diameter should I choose for my target species?

Choose based on your target fish size: 0.14–0.26mm for trout and small predators; 0.30–0.62mm for medium pike and perch; 0.92–1.20mm for large pike and catfish. Higher breaking strain accommodates larger baits and aggressive species.

How does spool length affect my fishing?

Shorter spools (20–25m) are ideal for single-rig setups or as main line topshots. Longer spools (35–50m) provide backup material and work well for multi-rig systems or when using on spinning reels.

Is W6 ST3 suitable for saltwater fishing?

While W6 ST3 is optimized for freshwater predatory fish, fluorocarbon's inherent durability and invisibility make it usable in low-salinity brackish waters. For pure saltwater applications, consult our saltwater-specific product line.

How should I store fluorocarbon leaders?

Store in a cool, dark, and dry place away from direct sunlight and UV exposure. Fluorocarbon can become brittle over time if exposed to UV light. Keep spools sealed in their original packaging when not in use.