M. Graham Walnut Oil gives oil painters a traditional medium for modifying oil color during painting sessions. It is useful for improving flow, extending paint, supporting layered work, and keeping an oil painting setup focused on walnut-oil-based materials.

• Brand: M. Graham
• Format: Walnut oil medium
• Category: Art Supplies / Oil Medium
• Use for: Oil painting, modifying paint flow, extending color, layered painting, studio work, and painting studies