PENN Slammer x8 - 20lb Braid


  • Superior stretch & breaking strain
  • iZanas™ line construction
  • Available in multi-coloured metered braid (colour change every 10m with a white marker every 5 metres)
  • Available in 3 different spool sizes

Slammer® Braid is a premium quality Japanese braid, the first premium saltwater braid for PENN®. Constructed with a unique braiding method that features ALB and iZanas™ line technology.

This provides a tightly woven, smooth and strong high performance casting braid.


  • Measured Diameter: .350mm (168.8% of stated .21mm)
  • Out of Roundness: .097mm (27.6% variation in diameter)
  • Measured Breaking Strain: 42.68lbs (213% of rated 20lbs)
  • Abrasion Breaking Strain: 15.16lbs (35.5% of max break)
  • FG Knot Breaking Strain: 29.9lbs (70.06% of max break)

Average performance in the tensile and FG Knot tests, but the Abrasion Resistance result was no too bad. The ovality of the line is quite high at 27%, but the construction does look quite nice. This line was rated at 20lb but it achieved over double this value, breaking at 42.68lbs.

Testing Process

Key Line Statistics

Diameter Variation