Spyderco C275CFPSBK ButtonUp (8Cr13MoV, Clip Point, Serrated, Carbon Fiber) Pocket Knife

Step into a new era of manual-opening finesse with the Spyderco ButtonUp C275CFPSBK, which combines classic materials with a breakthrough locking system. Designed by Eric Glesser, this model features a serrated blade with a sleek all-black aesthetic set against premium carbon fiber scales—ideal for both utility and stylish carry. 

Spyderco C275CFPSBK ButtonUp Features

• Serrated Blade in Black Oxide — The 3.27" modified clip-point blade is crafted from 8Cr13MoV and finished with a black oxide coating, offering contrast, reduced glare, and enhanced corrosion resistance.

• Button Lock Mechanism — Spyderco’s first manual-opening button lock, giving intuitive, tactile deployment and secure blade retention.

• Carbon Fiber Handle — Open-backed construction with carbon fiber / G-10 laminate provides strength, rigidity, and visual flair.

• Smooth Pivot & Deployment — Ball-bearing washers inside the pivot deliver clean, consistent action.

• Carry Options — Includes a reversible tip-up hourglass-style clip for left or right-handed carry, and features a low-profile design.

Specifications

• Overall Length: 7.50"
• Blade Length: 3.27"
• Blade Thickness: 0.11"
• Blade Material: 8Cr13MoV (black oxide finished)
• Blade Style: Modified Clip Point
• Edge Type: Serrated
• Handle Length: 4.23"
• Handle Material: Carbon Fiber / G-10 laminate
• Lock Type: Button Lock
• Opener: Spyderco Round Hole + Button
• Weight: 2.10 oz
• Designer: Eric Glesser
• Model: ButtonUp (C275CFPSBK)