Upgrade your automatic knife with this high-torque coil spring, engineered for maximum performance and reliability. Designed to fit many popular automatic knife brands—including Combat Elite TAS, Benchmade, Boker, Dalton, Smith & Wesson, Microtech, Paragon, and Pro-Tech—this precision-crafted spring delivers a powerful, smooth opening action. Manufactured with strict tolerances and enhanced through advanced heat and cryogenic treatment, this coil spring provides superior strength, longevity, and consistent firing power. Many users experience an increase in opening force compared to stock springs, making it an excellent choice for replacements or custom builds. Trusted by custom knife makers worldwide, this 0.50-inch diameter coil spring is the go-to solution when performance and durability matter.
Specifications:
Type: High Torque Automatic Coil Spring
Coil Diameter: 0.50 inches (1/2 inch)
Stack Height: 0.157 inches
Wire Diameter: 0.039 inches
Heat and cryo-treated for enhanced durability
Quantity: 1 spring per pack
Note: Please measure your spring size in inches before ordering. A rule of thumb is to measure the center of the pivot to the spring tip hole in the blade and double it for the correct coil diameter, in inches.
