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 – Wahl’s 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. The Brand Used by Professionals - Wahl clippers and trimmers have been used by professionals in the salon & barber industry since 1919; Featuring self-sharpening precision blades & quality construction