Balsin shaft oil also gives old, brittle and weathered wooden shafts a fine silky-matt shine again. Makes the wood water-repellent, protects against rotting and mould. Deepens the grain, increases resistance to weathering by a special silicone formulation. Prevents roughening and staining. Balsin stock oil is the ideal care product for gun stocks made of walnut and other natural woods. Also ideal for unpainted furniture.