Description
Atomic Linez X4 Braid Multi Colour 300m
Atomic Linez X4 Braid Multi Colour 300m is the tough, structure-ready option in the Japanese-made Atomic Linez braid family. Its tight, round 4-strand Dyneema weave is designed for anglers who value abrasion resistance, durability and direct feedback when fishing around rocks, reefs, timber and other hard cover.
Key Features
4-strand Dyneema braid
Ultra-smooth nano coating
Maximum abrasion resistance
Firm, direct feedback
Multi Colour
300m
Made in Japan
- Maximum abrasion resistance for demanding environments
- Increased stiffness for direct control around structure
- High breaking strength with durable Dyneema fibres
- Nano-coated surface designed to improve line flow and reduce tangles
- Multi-colour marking system changes colour in 10m sections for visual distance/depth reference
A practical bulk spool for larger reel fills, backing/top-shot setups or multiple smaller reels.
Technology & Performance
Atomic describes X4 as a tight, round weave built for the roughest environments. The firmer body makes it a strong choice when durability and resistance to contact with structure matter more than the ultra-supple feel of a higher-strand braid.
X4 Size & Diameter Guide
| Breaking Strain | PE Rating | Diameter |
|---|---|---|
| 6 lb | 0.3 | 0.09 mm |
| 8 lb | 0.4 | 0.10 mm |
| 10 lb | 0.6 | 0.13 mm |
| 12 lb | 0.8 | 0.15 mm |
| 15 lb | 1 | 0.17 mm |
| 20 lb | 1.2 | 0.19 mm |
| 25 lb | 1.5 | 0.20 mm |
| 30 lb | 2 | 0.24 mm |
| 35 lb | 2.5 | 0.27 mm |
| 45 lb | 3 | 0.29 mm |
Atomic catalogue ratings. Diameter figures are nominal line diameters.
How to Choose Your Line Strength
Match line strength to your rod and reel ratings first, then consider lure weight, drag pressure, target species and how much structure is present. Lighter PE ratings maximise finesse and capacity; heavier ratings add strength and abrasion margin. Always confirm the line capacity printed on your reel before spooling.
Recommended Leader Pairing
Braid is normally paired with a mono or fluorocarbon leader. Choose Atomic Linez Fluorocarbon Leader when stealth, abrasion resistance and a sinking leader are priorities, or Atomic Linez Mono Shock Leader when controlled stretch and shock absorption are more important.
Atomic Linez Braid Comparison
| Range | Construction | Key Strength | Best Suited To |
|---|---|---|---|
| X4 | 4-strand Dyneema | Maximum abrasion resistance, firmer feel, durability | Rocks, snags, structure and hard-use fishing |
| X6 | 6-strand Dyneema | Balanced strength, sensitivity and castability | All-round lure and bait fishing |
| X8 | 8-strand Dyneema | Ultra-smooth, quiet, thin and highly sensitive | Long casts, finesse through to offshore applications |
Use your rod, reel, lure weight, target species and fishing environment to select the appropriate breaking strain.
Atomic Linez Range
Atomic Linez is a Japanese-made fishing-line family covering X4, X6 and X8 Dyneema braids, fluorocarbon main line, fluorocarbon leader and monofilament shock leader. Each construction is tuned for a different balance of abrasion resistance, casting, sensitivity, visibility and stretch.










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