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Extrema Ratio Ultramarine knives EX320

Product #EX320 Made in Italy
$691.00
In stock · 8 available
Estimated ship date: Sunday November 15th, 2026
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Extrema Ratio EX320 Item Description

Extrema Ratio Ultramarine. 11 5/8 overall. 5 5/8" black matte finish N690 stainless cobalt steel blade with partially serrated top edge and line cutter. Back textured polyamide handle with skull crusher pommel. Handle may be disassembled so blade may be attached to pole or spear. Black ABS and nylon belt sheath with arm/leg straps. Also comes with Tek-Lok. Knife comes in plastic storage case." 11.63" (29.54cm) overall. 5.63" (14.3cm) black matte finish Bohler N690 stainless blade. Black polymer handle. Partially serrated top edge with line cutter. Skull crusher pommel. Handle may be disassembled so blade may be attached to pole or spear. Black ABS and nylon belt sheath with arm/leg straps. Also comes with Tek-Lok. Nylon sheath. Hardside carrying case.

Details

BrandExtrema Ratio
Item categoryknives
Product numberEX320
UPC code000000135597
Weight4.05 lbs
Package dimensions9.50 x 14.25 x 5.00 inches
Country of originItaly
Quantity available8 (inventory last updated November 03 2026)
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