UPK-D4 Eclipse Traditional Hybrid Al-Poly

$59.95 $87.75

This UPK-D4 Eclipse has a Hardcoat Type III Anodized 7075-T6 Aluminum Blade and a Polymer Composite Traditional Handle

A minimal guard version of the PocketSai. The guards have been reduced to minimum amount for blade retraction.

  • EDC Defensive Implement
  • The Eclipse is self-sheathing making them easy and safe to carry
  • Inspired by the traditional Okinawan Sai with Yoku removed for sleek profile
  • Retractable Blade automatically Locks at either position (open/closed)

Important Read :

The combo of a Hardcoat 7075-T6 Aluminum blade with a Polymer handle provides a tough Trainer for practice and training at a reduced cost. A blade made in 7075-T6 Aluminum makes a tough resilient blade made for tougher tasks then a Polymer blade.

What’s Included?

x1 Eclipse Traditional Hybrid AL-Poly

Material Specifications:

  • Blade Milled from 7075-T6 Aluminum
    • Hardcoat Type III Anodized
    • 74 ksi Tensile Strength
  • Handle made in POLYMER
    • 50% Glass-filled Nylon (gun frame material)
    • 13 ksi Tensile Strength
  • Custom Button made in Anodized Aluminum
    • 7075-T6 Aluminum with Hardcoat Type III Anodize
  • Custom Screws made in 450 Stainless steel
    • Heat Treated by Age Hardening to the H900 condition HRC 45
  • 301 Stainless Steel Springs
    • Cold work Hardened to a Spring Temper


  • Extended length: 11.7 inches (297 mm)
  • Collapsed length: 7.3 inches (186 mm)