Princeton Catalyst Mini Blades crafted from flexible silicone on paint-brush like wood handles. Mini Blades are flexible than a palette knife and spreads like a brush. Made of FDA-approved silicone with easy to wipe clean and is solvent resistant. Designed to use with heavy-bodied paints, oils, acrylics, and water-miscible oils. Ideal for colour shaping & texturing. Stiffness - 5 on 5. Available in 6 different styles / shapes.