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Home Products C193TIP Squarehead Folder

C193TIP Squarehead Folder

by Caston, Darriel (D Rocket Design), Spyderco

SKU 1138617

Date Added 02/27/2026

# Available This product is out of stock

Price $145.00

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Overview

The Squarehead Lightweight faithfully maintains the innovative design concept and compact functionality of the original Squarehead, but in a more economical format. Its distinctive sheepfoot blade is crafted from American-made CTS® BD1 stainless steel and features a single-sided flat chisel grind to ensure the PlainEdge™ cutting edge nests safely in the handle. A generously sized Trademark Round Hole™ proudly announces the knife’s Spyderco pedigree and allows easy one or two-handed opening. The foundation of its handle construction is an injection-molded fiberglass-reinforced-nylon (FRN) scale. The outer surface of the single-sided scale has a Bi-Directional Texturing™ pattern to ensure a secure grip, while the inner surface houses a nested stainless steel liner that forms the core of the knife’s sturdy LinerLock mechanism. The base of the molded FRN scale features a wide slot that allows the knife to be easily attached to a keychain, neck chain, or lanyard.

Has scuffs and scratches, otherwise good condition.

Product Details

Blade Length 1.25

Overall Length 3.375

Closed Length 2

Weight (oz) 1.1

Source Previously owned

Additional Specs

Blade Material S30V

Blade Details Chisel Grind, Sheepsfoot, Wharncliffe

Handle Material Metallic

About the Maker

Caston, Darriel (D Rocket Design)
Caston, Darriel (D Rocket Design)

Darriel Caston is D Rocket Designs. "Makers such as Timothy Wright, Terry Davis, Terry Lee Renner, Ron Lake, Jim Corrado and James Whitehead took me under their wings and I believe their skill and attention to detail shows in my work. I have one several awards – Best New Maker at the Oregon Knife Show and the Bay Area Knife Show. I kept my style as it is now – Balance and Zen. Through 2004 to 2013 I left to scene to raise my children. Since 2013 I came back to Design and Knifemaking with a vengeance – literally! I had something to prove. Everything under the sun has been seen before. We only put our own spin on it. I came back not only to put my stamp on things, but to educate, mentor and create a honorable business that stands the test of time. I put time into deciphering old techniques to marry them with cutting edge technology. Lost Wax with 3D Printing – Japanese Patina Techniques with Modern Chemical Processes – Old Designs with the twist of the Future."

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Spyderco
Spyderco

Spyderco was founded in 1976 by Sal and Gail Glesser. Initially, the company focused on selling their first product the Tri-Angle Sharpmaker™, primarily at fairs and trade shows around the country. In 1981, the Glessers put down roots in Golden, Colorado and introduced the first Spyderco folding knife. That knife pioneered the concept of a round hole in the blade for one-handed opening, a clip on the handle for carry at the top of the pocket, and the option of a serrated edge for aggressive cutting performance. Those features revolutionized the knife industry and literally defined the form of the modern folding knife. Since then, Spyderco has steadily grown to become one of the leaders in the cutlery industry. In addition to a worldwide distribution network and manufacturing resources in the U.S., Japan, Taiwan, Italy, and China, our innovation has also earned us an impressive portfolio of patents, trademarks, and industry awards. More importantly, it has allowed us to earn the trust and loyalty of countless thousands of dedicated knife users around the world—an audience to whom we are extremely grateful.

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