SOG Specialty Knives & Tools Pentagon Blackout OTF Automatic Folding Knife 3.75in S35VN Stainless Spear Point Blade Black TiNi Black Aluminum Handle. SOG's Dynamic Lock-up System redefines open reliability and blade lock-up strength in OTF knives while the CRYO S35VN blade and hard-anodized aluminum handle reinforce the durability of the switchblade. Pentagon OTF delivers reliable OTF technology for professional users who rely on high-end steel and technology. Specifications for SOG Specialty Knives & Tools Pentagon Blackout OTF 3.75in Automatic Folding Knives: Manufacturer: SOG Specialty Knives & Tools Blade Length: 3.79 in Overall Length: 9.08 in Blade Material: CPM S35VN Steel Handle Color: Blackout Serrated: Non-serrated Blade Shape: Spear Point Handle Material: Aluminum Blade Thickness: 0.11 in Weight: 6.7 oz Opening Method: OTF Features of SOG Specialty Knives & Tools Pentagon OTF Knife Rugged aluminum handle Easy to open with either hand and made in specialized factories Dynamic locking system. Package Contents: SOG Specialty Knives & Tools Pentagon OTF Knife SOG Specialty Knives & Tools 15-61-01-57: Pentagon OTF Knife Blackout