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Spool of grey braided fishing line, 20 LB 300 Yds

KastKing SuperPower 7 Braided Fishing Line 20 LB 300 Yds X4-Low-Vis Gray

SKU CH-K6VS-B6PGK

Braided fishing line with strong knot strength, low memory for farther casts, and high abrasion resistance in low-visibility gray

  • Total capacity20 lb(300 Yds)
  • Color familyX4-Low-Vis Gray
  • Line weight20 lb (9.07 kg)
  • EnvironmentKastKing, Eposeidon
  • Product typeBraided
  • Main materialDouble-Knit-fabric
  • Strong knot strength for secure hook sets
  • Low memory enables longer, smoother casts
  • High abrasion resistance withstands rough structure
  • Zero stretch delivers instant bite detection
  • 300 yards on the spool for extended fishing sessions

KastKing SuperPower 7 Braided Line

The KastKing SuperPower 7 is a braided fishing line built for anglers who need reliable knot strength and low memory on the water. Its Double-Knit fabric construction uses four high-strength strands to deliver a rounder profile that casts smoothly. The Low-Vis Gray colour reduces visibility in clear conditions. It suits freshwater and saltwater applications alike.

Spooling and casting advantages

A 300-yard spool fills reels with a smaller diameter than many alternatives, freeing capacity for longer runs or backing. Low memory helps the line leave the reel cleanly, cutting wind knots and boosting casting distance. Zero stretch transmits subtle bites instantly for solid hook sets. High abrasion resistance protects against structure and toothy fish.

Upgrading from stretch-heavy lines

Anglers moving from monofilament or fluorocarbon gain immediate sensitivity and durability without changing tackle. The jump is worth it when you need farther casts, fewer frays and knots that hold under pressure. It is not for buyers who want a single-strand line or those who prefer high-visibility colours for line watching.

How it compares

Measured against everything we stock in Fishing Line & Terminal Tackle, at today’s prices. Recalculated every night.

Price $25.99
Pricier than about 83% of the 21 comparable items (median $12.99).

Specifications

Product
Brand nameKastKing
Model nameSuperPower 7
Total capacity20 lb(300 Yds)
Product typeBraided
Product colorX4-Low-Vis Gray
Color familyX4-Low-Vis Gray
Size & build
Main materialDouble-Knit-fabric
Line weight20 lb (9.07 kg)
In the box
Number of items1
More details
EnvironmentKastKing, Eposeidon

Questions about this item

How does the 20 lb test strength hold up when I am fighting a heavy fish all day?

The 20 lb test rating provides strong knot strength and high abrasion resistance so the line resists break-offs during prolonged fights with large fish.

Does the line generate heat or friction noise during long casting sessions?

The low-memory, round-profile braid reduces friction through the guides for smoother, quieter casts without noticeable heat buildup.

What reel spool capacity do I need to hold the full 300 yards?

A reel rated for at least 300 yards of 20 lb braid or equivalent diameter is required to spool the entire length.

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