Gamblin Oil Painting Mediums Set: This sampler of painting mediums offers an introduction to understanding their role in a modern painting studio. The set includes 37ml Galkyd G-Gel Medium, 2 oz. Galkyd Lite Painting Medium, 2 oz. Gamsol odorless Mineral Spirits, 2 oz. Refined Linseed Oil, 2 oz. Neo-Megilp, 2 oz. Cold Wax Medium plus a mediums chart and a solvent comparison chart.