ToolUSA 7 Piece Precision Sized Flat Head Screwdrivers With Color Coded Tops: PS-00520 Set Of 7 Pieces - Size Ranges From 0.5mm To 1.5mm. Reversible, 2 Ended Blades For Easy Replacement Color Coded Tops - Black, Purple, Orange, Red, Blue, Green And Silver- For Quick Selection Sizes Clearly Etched With Numbers 1 Through 7 Textured Handles For Easy Grip And Better Leverage To Apply Torque