Exact fit narrow profile precision machined nut drivers. Made from Wiha exclusive CRM-72 tool steel. Micron vapor hard chromed finish. Narrow diameter for easy access in tight locations. Finger control cap for precise turning. Guaranteed quality – made in Germany. Sizes: 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4″.