Rust Prevention Prevents rust from forming helps extend the life of the clipper blades; can also reduce the likelihood of blades becoming dull | | Prolongs Blade Life Apply two drops of oil on the left corner, two drops on the right corner, and a single drop in the middle of the blades every few haircuts for optimal blade lubrication and to reduce friction and heat | | Premium Formula Wahls blade oil is specially designed for all Wahl electric hair clippers, trimmers, blades; works well with other brands blades | | Give the Gift of Quality - Makes a great add on gift to be combined with a clipper or trimmer. | |