Precision 9-piece Screwdriver Set with Rotating Base for Opticians, Jewelers and Electrians each screwdriver has a color coated collar with size imprinted for easy identification. 9 screwdrivers: Phillips 1.5, 1.8, Flat 1.6, 1.8, Hex 2.02, 2.32, 2.52, Torx 2.32, 2.52 Rotating aluminum base for easy retrieval and organization