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Shimano

Shimano Mastiff FC Fluorocarbon Line - 12lb - 200yds

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

12 Lb

Fluorocarbon line for fishing applications

200-yard Spool

Length

Clear Color

For low-visibility presentation

0.260 Mm

Diameter specification

Designed Manufactured

In Japan

$25.99
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SKU: MSTF12200-022255144728

Overview

Built for anglers who want a fluorocarbon line with carefully controlled consistency, this 12 lb option is suited to a range of freshwater and light-duty fishing setups. Its clear profile and 200-yard spool make it a practical choice when you want a line that stays unobtrusive and offers enough length for multiple rigging sessions. Shimano notes a stringent quality-control process and a surface measurement down to 1 micron, reflecting the attention given to uniformity in the line. For anglers who value precision in their terminal tackle, it provides a straightforward, purpose-driven line choice without unnecessary extras.

Why Hunters Choose the Shimano

12 Lb

Test suits a range of

200-yard Spool

Ample line for multiple setups

Clear Color

Low-visibility presentation in the water

0.260 Mm

Diameter is clearly specified for

Strict Quality

Control targets consistent line thickness

Key Features

  • 12 lb fluorocarbon line for fishing applications
  • 200-yard spool length
  • Clear color for low-visibility presentation
  • 0.260 mm diameter specification
  • Designed and manufactured in Japan
  • Strict quality control for consistent line thickness

Best Used For

  • Anglers needing 12 lb fluorocarbon for general freshwater or light inshore setups
  • Users who prefer a clear line for low-visibility presentations
  • Fishermen wanting 200 yards for spooling multiple reels or longer sessions
  • Anglers focused on consistent line thickness and measured quality control
  • Those selecting Shimano line from a Japanese-manufactured fluorocarbon option

Specifications

ColorClear
Country Of OriginJapan
Diameter0.260mm
Lb Test12 lb
Length200 yds
Quality ControlStrict quality control
Surface Measurement1 micron

Pros

  • 12 lb test suits a range of freshwater and light inshore applications.
  • 200-yard spool provides ample line for multiple setups or respools.
  • Clear color offers a low-visibility presentation in the water.
  • 0.260 mm diameter is clearly specified for setup planning.
  • Strict quality control targets consistent line thickness throughout the spool.
  • Surface measurement down to 1 micron reflects detailed manufacturing oversight.

Considerations & Trade-offs

  • 12 lb test is a mid-strength option, so it may not suit heavier applications that call for a higher breaking strength.
  • At 0.260 mm diameter, it may be more noticeable than lighter-diameter line in setups where minimal profile is a priority.
  • The 200-yard spool provides a fixed amount of line, which may be more than enough for some reels but not a full bulk-spool replacement.
  • Clear color is versatile, but it does not add any specialized visibility or concealment feature beyond a standard clear fluorocarbon presentation.

Suggested Comparisons

  • Fluorocarbon fishing line
  • Monofilament fishing line
  • Braided fishing line
  • Fishing leaders and tippet material

Suggested Accessories

  • Fishing line spool holder
  • Line cutter
  • Fishing reel
  • Leader material

Frequently Asked Questions

What is the line test and spool length for this Shimano Mastiff FC Fluorocarbon Line?

This spool is rated at 12 lb test and comes with 200 yards of line.

What diameter is listed for this line?

The listed diameter is 0.260 mm.

What color is the line?

The line is listed as clear.

Where is this line designed and manufactured?

It is designed and manufactured in Japan.

What product-specific quality control detail is provided?

The description states the line surface is measured down to 1 micron, and that Shimano uses strict quality control to develop a consistent thickness.