5pc Mini Precision Slotted Screwdriver Set Jewelry, Electronics Repair Set of 5 precision slotted ("flat-head") screwdriver set with extra-duty Nickel Chromium Molybdenum blades SAE 8650 is a triple alloy steel, preferred for hardness and strength, resists twisting & chipping Professional quality - made in Taiwan Chrome-plated brass body with spinner caps Micro sizes common with watch, jewelry, electronics; 1.0, 1.2, 1.4, 1.8 & 2.0mm