The CRKT Nucleus 3.19-inch folding knife in black and red (CRKT part no. 5702) can be opened three different ways, thanks to front and rear flippers plus a finger hole built into the blade. Columbia River Knife & Tool built the Nucleus around 12C27 Sandvik blade steel for excellent edge retention, with a front flipper that deploys the blade fast and an IKBS ball bearing pivot that keeps the action smooth. A frame lock utilizing a thick lock bar secures the blade once it’s open, and the black-and-red G10 and stainless steel handle combines durability with strength.

Key Specifications

• The blade measures 3.19 inches, finished with a bead-blasted texture.
• Blade steel is 12C27 Sandvik, chosen for excellent edge retention.
• The blade can be deployed three different ways, using front flipper, rear flipper, or finger hole.
• The IKBS ball bearing pivot keeps deployment smooth across all three methods.
• The black-and-red G10 and stainless steel handle combines durability with strength.
• A frame lock with a thick lock bar secures the blade once open.

Frequently Asked Questions

How many ways can the Nucleus be opened? Three: a front flipper, a rear flipper, and a finger hole built into the blade.

What blade steel does the Nucleus use? 12C27 Sandvik steel, known for excellent edge retention.

Buy the CRKT Nucleus 3.19-Inch Folding Knife, Black and Red

Versatile in how it opens and built to last, the Nucleus is a standout everyday-carry folder for anyone who likes options. Order it from CRKT‘s pocket knife lineup, and our Lubbock, Texas team will ship it out quickly.