Spyder Sharpener - 3 Different Radius Sharpener For Serrated Edges Most Brands

3 different radius sharpener for serrated edges (most brands). It will also sharpen fine edge blades and has special groove to sharpen other pointed objects. Non slip thumb and finger rests and keychain to secure. Many people use this item for survival, hiking, biking, work, school, camping, fishing, traveling, gift idea, recreational. High quality and made to last. Not limited to these. For men/women.