so we know what works when it matters most

Long battery life: Up to 24 hours of continuous use

Length  2

Designed to withstand harsh environments and rugged usage

Spyderco Tri-Angle Bike Shirt so we know what worksSpyderco Tri Angle The key to sharpening any cutting tool is removing the steel at the edge while maintaining a consistent angle between the blade and the stone. Spydercos Tri Angle Sharpmaker takes the mystery out of this process and enables anyone to sharpen a knife effectively with just a few minutes practice. Its durable ABS plastic base contains keyed holes that accurately set the stones sharpening angles at a 30 (15 each side) or 40 (20 each