ITEM NAME:10Pcs Damaged Nut Bolt Remover Stud Extractor Set (#1-#10) Metric Broken Bo S7H5 10Pcs Damaged Nut Bolt Remover Stud Extractor Set (#1-#10) Metric Broken Bo S7H5 10Pcs damaged nut and bolt extractor - The helical cutting teeth provide positive clamping and remove round or damaged bolts. Can be driven with a metric wrench or sleeve. Remove the nut is ten sets of different sizes suitable for damaged, rusted nut bolts, which are used as screw-down screws, Nuts and the most important conductive stabilizing tools. Product Name: Damaged Nut Bolt Remover Standard: MetricThread type: reverse spiral cutting, taperDisassembly number: #1/2/3/4 / 5/6/7/8/9/10 internal dimensions (suitable for removing hexagonal dimensions): 9/10/11/12/13/14/15/16/17 / 19mm Hexagon size: 16/16/19/19/19/22/22/25/25 / 27mm Color:black Material:metal Package Contents: 10*Nut removal tool(1/2/3/4/5/6/7/8/9/10 each)