The Exalt Vitamin O marker oil is formulated to lubricate any marker designed to accept oil—synthetic formulation provides slick lubrication to dynamic surfaces, while reducing oring wear, swelling and damage. Convenient, precision applicator is easy to use and prevents spills. Contains 1oz. of Exalt Vitamin O synthetic marker oil. Provides the lowest coefficient of friction to reduce & eliminate bolt stick & first shot drop off (FSDO) Precision drop cap reduces waste and contamination