EBay Description Total length: 170-190mm Number of Pieces: 11pcs Shank Diameter: 140mm Thread Type: Tap Drill is_customized: No DIY Supplies: Woodworking Quantity: 11 pcs Model Number: M1 / M1.2 / M1.4 / M1.6 / M1.7 / M1.8 / M2 / M2.5 / M3 / M3.5 Material: High Speed Steel Type: Tap Blade Diameter: 30-50mm Features: - Ideal for repairs and mechanically specified metric threading. - Multi coated optical elements ensure excellent light transmission and brightness. - DIY watch repair tool hand high speed wire attack kit. - Lightweight, portable and safe. - Tap wrench handle can be separated into two segments, can be firmly set tight clamp the screw extractor, remove the damaged screws, bolts, etc. Standard: Metric Number of Threads Per Inch: 0.01 Instructions: When the bolts due to corrosion and other reasons, in accordance with the bolt diameter selection of appropriate specification of the drill in the center of the broken bolts drilling 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 six hexagon head screw have loosen failure, also can be in this way. Place of Application: Woodworking, Machinery Product Weight: 71 G / 2.50 Ounces Product Dimensions (L*W*H): 135*55*15 MM / 5.31*2.17*0.59 Inches Package Weight: 71.0 G / 2.50 Ounces Package Dimensions (L*W*H): 135*55*15 MM / 5.31*2.17*0.59 Inches Retail Packaging: Yes, General Box Package include 10 x Screw Taps 1 x Tap Twisted Wrench Handle