Timewheel 5 Pieces Precision Screwdriver Set for Watch Repair, Watch Bracelet, Jewelry, Eye Glasses & Micro Electronics, Extra Blades Set of 5 Pieces Quality Precision Flat Ultra Fine Size Screwdriver Screwdriver Sizes: 0.80 mm, 1.00 mm, 1.20 mm, 1.40mm & 1.60 mm Each Screwdriver is Color Coded with Knurled Body and Swivel Cap Equipped with Professional Quality Tempered Steel Tip Blades Handy Set for Watch Repair, Remove Watch Bracelet Screw Links, Eye Glasses Repair, Jewelry Work and Electronics Repair