Squid Industries Squidtrainer V4 Balisong Butterfly Knife Stonewashed Trainer

Squid Industries Squidtrainer V4 Balisong Butterfly Knife Stonewashed Trainer
OG product that started it all. The Squidtrainer is our flagship product and crafted for the absolute best performance. Highly acclaimed for its innovative build characteristics, the Squidtrainer continues to be a dominant and competitive balisong.

The Squidtrainer was the first balisong trainer to be produced by Squid Industries. Since its inception in 2015, we’ve integrated feedback from flippers all around the world each year to make it the best flipper in its class.
Manufactured and assembled in the USA


Squidtrainer V4 has undergone significant change since the first production run in 2016. It features the following:
  • Integral channel handle design machined from 6061 T6511 aluminum alloy
  • Machined handle texture pattern and bead blast finish for better grip
  • Rounded handles and blade spine for enhanced comfort and durability
  • Precision ground heat treated 410 stainless blade for maximum smoothness, minimal handle play, and zero blade rub
  • Press-fit stainless steel rods installed into the ends of each handle for better feel and momentum 
In November 2022, we unveiled the V4 which added the following upgrades:
  • 416 stainless steel bushings tuned to each blade for the best tolerances
  • Jimping added to the ends of each handle for increased grip and stability 
  • Total Length (Open Position): 10"
  • Total Length (Closed Position): 5.75"
  • Handle Length: 5.5"
  • Handle Thickness: 0.5"
  • Blade Length: 5.2"
  • Weight: 4.6 Ounces
  • Handle Material: 6061 T6511 Aluminum
  • Handle Finish: Milled Texture, Bead Blasted 
  • Handle Colors: Blue, Dual Tone Blue, Silver, Black, Red, Dual Tone Black and Dual Tone Red
  • Blade Material: 410 Heat Treated Stainless Steel
  • Blade Finish: Stonewash
  • Pin Design: Zen Pins
  • Handle Design: Channel
  • Pivot Design: Bushings
  • Latch Design: Latchless
  • Balance Profile: Strong Handle Bias
  • Country of Origin: USA

Each and every Squid Industries balisong is hand-assembled and tested to ensure that each unit is an exceptional flipper. All Squid Industries Balisongs arrive with a box and sticker. Balisongs come thread locked.

NOTE: The following product is a balisong (butterfly) knife trainer and not a real knife. The "blade" shown in the following pictures is merely a dull slab of plastic used to mimic the weight and feel of a real blade. Trainers are not weapons and are strictly made for recreational and educational purposes only.