2 FUNCTIONS: This tungsten carbide multi-sharpener is designed for oiling and sharpening all types of garden tool blades. OIL INCLUDED: It comes complete with a supply of oil - simply unscrew the end for access. FOR ALL GARDEN TOOLS: It is the ideal garden tool sharpener for grass hooks, garden knives, pruning shears, lopper blades and more. COMPACT: It is a compact pocket size for easy storage. PLEASE NOTE: This blade sharpener is not suitable for scalloped or serrated blades.