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KastKing

KastKing SuperPower Braided Fishing Line

  • Line Weight: 20 lb
  • Size: 20LB(300 Yds)
  • Length: 327 Yards
  • Pieces: 981 feet

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A straightforward 20 pound braid in a low-vis gray finish, worth it if that test class and color match how you already rig.

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ASIN: B01EFQZ63KCategory: Braided Fishing Lines

Overview

The KastKing NE-KKB-GY-300-20 is a braided fishing line spooled in the X4 low-vis gray finish at 20 pound test, with a listed length of 327 yards. It is built for anglers spooling spinning or casting reels who want a thin diameter braid at this test class.

Braided line packs more strand material into a smaller diameter than monofilament at the same breaking strength, which lets more line fit on a reel spool and improves feel through the rod tip. The gray, low-vis finish is meant to blend into open water rather than stand out against sky or structure. As with most braid, pairing it with a short fluorocarbon or mono leader is common practice for reducing visibility near the bait.

  • 20 pound test braided line
  • 327 yards listed on the spool
  • X4 low-vis gray color
  • Suited to spinning and casting reels

Who it's for

Anglers who fish spinning or baitcasting reels and want a 20 pound test braid without the stretch of monofilament. Suits freshwater and light duty applications where a low-vis gray line is preferred over high-vis colors.

Pros and cons

Pros
  • Thin diameter for a 20 lb test line
  • Low stretch improves feel and hooksets
  • Low-vis gray finish for open water
Cons
  • Braid can still show above the waterline
  • No printed specs on knot strength or abrasion resistance

Performance notes

Braided line has little stretch compared with mono, so hooksets and bite detection tend to feel more direct through the rod. The thinner diameter at a given test also means less water resistance and, generally, more yards of usable line per spool size. Low-vis colors like this gray are chosen to reduce the line's visibility against open water rather than to change its strength.

Specifications

BrandKastKing
Dimensions & fit
Line Weight20 lblower than 51% of 46 braided fishing lines
Size20LB(300 Yds)
Length327 Yards
Item Weight0.14 poundslower than 54% of 27 braided fishing lines
Construction & materials
MaterialDouble-Knit-Fabric
ColorX4-Low-Vis Gray
Included components
Pieces981 feet
Other details
TechniqueBraided
SpecialFishing Braided Line

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Frequently asked questions

What is the breaking strength of this KastKing line?

It is rated at 20 pound test.

How many yards are on the spool?

The listed length is 327 yards.

What color is the NE-KKB-GY-300-20 line?

X4 low-vis gray.