Take your paintings to the next level with these uniquely shaped painting knives. Use them with mortar, gels, modeling pastes, and gesso. Experiment with creating "relief" effects in a variety of thicknesses and layers with acrylics and oils. - RGM New Age Painting Knive Set - Set of 4Rgm New Age Paint Knife, 4 SET - This set includes one each of painting knives NA.03 Medium Droplet, NA.04 Medium Zigzag, NA.09 Fan, and NA.11 Small Wave.