CHANNELLOCK® drivers: durable alloy steel blades, nickel chrome finish for corrosion resistance, acetate handles with stamped indicator, precision-machined tips for proper fit. 100% USA made, built to last. ROUND Shaft, 6" PHILLIPS Size: #1. HIGH TORQUE acetate handles resist solvents. RUGGED alloy steel, heat-treated for strength. PRECISION MACHINED VAPOR BLAST tips for precise fit. NICKEL CHROME FINISH resists corrosion. 100% MADE IN USA.