The professionals choice for consistently smooth application of Bondo and other fillers & putties * High-grade polyethylene has low surface adhesion for easier filler application, less waste * Semi-rigid blades allow enough flex to provide even spreading over uneven surface * 2.4mm to 3.0mm thickness tapered to 1.0mm for seamless feathering * Set of 3 spreaders 4"W x 3"H, 5"W x 3-1/4"H and 6"W x 3-1/2"H; set total weight 2.3 oz