DIY watch repair tool hand high speed wire attack kit.lightweight, portable and safe.Multi-coated optical elements ensure excellent light transmission and brightnessTap wrench handle can be separated into two segments, can be firmly set tight clamp the screw extractor, remove the damaged screws, bolts, etc.Perfect for repairs and mechanically specified metric threading.Standard: MetricTap size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M 2.5, M 3, M3.5Tap Twisted Handle: M1-M8Number of Threads Per Inch: 0.01Application: Woodworking or MachineryInstructions: When the bolts due to corrosion and other reasons, in accordance with the bolt diameter selection of appropriate specifications of the drill in the center of the broken boltsdrilling a hole, then select the corresponding screw extractor to insert, with winder or wrench counterclockwise. Will be able to remove the bolts. In addition, inner hex (or outer-hexagonal) bolt's six hexagon head screw have loosen failure, also can be in this way.Material:metalcolour:SilverPackage Contents:10 x Screw Taps1 x Tap Twisted Wrench HandleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.