Poikilo Mundus Penitentia S1 M390 Titanium Folding Knife

Poikilo Blade Mundus Penitentia S1 – M390 & Titanium The Poikilo Blade Mundus Penitentia S1 is a high-end folding knife built for enthusiasts who demand premium materials, bold design, and top-tier performance. With its large profile, refined construction, and standout finish, the S1 delivers both cutting power and collector-level appeal. This version features a 3.875-inch M390 blade with a striking pearlescent stonewash finish , paired with durable titanium handles . Designed for smooth operation and everyday reliability, the Mundus Penitentia S1 blends performance, strength, and visual impact into a true premium EDC knife. M390 Blade Performance The blade is crafted from M390 steel , a premium powder metallurgy steel known for exceptional edge retention, corrosion resistance, and toughness. Its larger blade profile provides strong cutting capability, while the pearlescent stonewash finish gives the knife a unique iridescent look while helping reduce visible wear over time. M390 premium blade steel Excellent edge retention and corrosion resistance Large blade profile for powerful cutting performance Pearlescent stonewash finish for unique visual appeal Durable finish that helps hide wear Titanium Handle Construction The handle is built from titanium , offering an ideal balance of strength, weight, and durability. Titanium provides corrosion resistance and a premium feel in hand, while maintaining a solid structure for hard use. Its clean black finish complements the blade’s unique look for a cohesive, high-end design. Titanium handle scales Lightweight yet extremely strong construction Corrosion-resistant material Premium feel with modern styling Button Lock & Smooth Operation The button lock system provides secure blade lockup with smooth, easy one-handed operation. This design allows for fast deployment and simple closing, making the S1 both user-friendly and reliable for everyday carry. Button lock for secure lockup Smooth one-handed opening and closing Reliable and modern locking mechanism Easy-to-use everyday carry design Ambidextrous Carry Setup The knife includes a reversible pocket clip for tip-up carry , allowing both right and left-handed users to configure the knife to their preference. Despite its substantial size, the S1 remains manageable and comfortable for everyday carry. Ambidextrous pocket clip Tip-up carry configuration Right or left-hand carry options Balanced size for everyday use Premium Heavy-Duty EDC Knife With its large M390 blade, titanium construction, and unique pearlescent finish, the Poikilo Blade Mundus Penitentia S1 is an excellent choice for those looking for a high-end EDC folding knife with serious presence. It offers the performance of a hard-use tool with the aesthetics of a collector’s piece. Specifications Model Mundus Penitentia S1 Overall Length 9.25" / 235mm Closed Length 5.375" / 137mm Blade Length 3.875" / 98mm Blade Thickness 0.147" / 4mm Blade Steel M390 Blade Finish Pearlescent Stonewash Handle Material Titanium Handle Thickness 0.68" / 17mm Lock Type Button Lock Pocket Clip Ambidextrous Tip-Up Weight 7.09oz Country of Origin China .bc-longdesc { line-height: 1.65; } .bc-longdesc h2 { margin: 0 0 10px; } .bc-longdesc h3 { margin: 22px 0 10px; } .bc-longdesc hr { margin: 24px 0; opacity: 0.3; } .bc-longdesc ul { margin: 8px 0 0 20px; } .bc-spec-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 14px; margin-top:10px; } .bc-spec { border:1px solid rgba(0,0,0,0.12); border-radius:8px; padding:10px 12px; } .bc-spec-title { font-weight:700; font-size:13px; margin-bottom:4px; } .bc-spec-value { font-size:14px; } @media (max-width:640px){ .bc-spec-grid{grid-template-columns:1fr;} }