6 Slotted Precision Screwdrivers Great For Watch, Eyeglass & Electrical RepairThis is a new set of 6 slotted precision screwdrivers. Great for watch, eyeglass and electrical repair. These are color coded for easy identification. They have tempered, reversible blades and hex heads that prevent them from rolling. Each measures approximately 3 1/8" (79.3 mm) long.You receive: One screwdriver that has a 0.6 mm tip. One screwdriver that has a 0.7 mm tip. One screwdriver that has a 0.8 mm tip. One screwdriver that has a 1 mm tip. One screwdriver that has a 1.2 mm tip. One screwdriver that has a 1.3 mm tip.