UPK-D4 Black Alloy Ed.

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

 This version of UPK-D4 Bayonet has a Black Hard-coat 7075-T6 Aluminum Blade and Handle

Black Hard-coat 7075-T6 Aluminum - Lightweight Aluminum with steel like strength, the 7075-T6 Tempered Aluminum is one of the strongest Aluminum alloys available with a tensile strength of about 74 ksi.  The Hard-coat Anodize provides a resilient protective surface. This material is a notable upgrade from the Glass-filled Polymer.

Material Specifications:

• Blade Milled from 7075-T6 Aluminum
• Hard-Coat Anodized Black
  
• 74 ksi Tensile Strength
• Handle made in POLYMER
• Hard-Coat Anodized Black
  
• 74 ksi Tensile Strength
• Custom Button made in Anodized Aluminum
• 6061-T6 Aluminum with Red Anodize
• 7075-T6 Aluminum with Black Hardcoat
• 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

Dimensions

• Extended length: 11.7 inches (297 mm)
• Collapsed length: 7.3 inches (186 mm)
• Weight: 2.6 oz.