Custom heat-treated alloy steel blades. Nickel chrome finish for exceptional corrosion resistance. Precision machined vapor blast tips for a precise fit. High torque acetate handles for superior durability and solvent resistance. Set includes 1 each Phillips P103A #1 x 3", P204A #2 x 4", P206A #2 x 6"; and 1 each slotted S363A 3/16" x 3", S144A 1/4" x 4", S146A 1/4" x 6".