6pc Premium-Quality Micro Precision Screwdriver Set, Watch Repair, Eyeglasses Repair, Electronics Repair (1 Set) Tool box precision screwdriver set High-durability hardened and tempered Chrome-Vanadium steel resist stripping and cam-out Lightweight, easy to hold aircraft aluminum handles with spinner tops; 4" to 5" length Six most commonly-used fasteners: slotted/flat-head 2.0mm, 2.4mm and 3.0mm; Phillips #0 and #1 Designed to help with tiny repair tasks: watches, eyeglasses, computers, crafts, toys