Material: Made of carbon steel for extra hardness and durability.Application: Suitable for wood and machine screws, as well as flat, hexagonal or coated on screws.5-piece heavy-duty steel extractor: includes screw extractors of different sizes to meet different needs.Function: Disassembles damaged screw bolts and water pipes, can be used to remove most damaged, peeled, rusted, broken or stuck screws from any wood or metal surface relatively easily.For removing or pulling out damaged screws and broken bolts, alloy steel materials can be stable and durable.5pcs/6/8 different sizes of drill screwdrivers can be used for most kinds of damaged screws and bolts.It is more convenient to twist, and the twist can be used to twist the wrench, or you can use a twisting wrench.Fine-toothed thread design for water pipe breakage and pipe breakage, remove spiral sliding conductor.Product parameters:Name: Broken bolt extractorMaterial: High carbon steelPurchase options: 5, 6, 8Suitable for: disassembling all kinds of broken head bolts and screws; For home, office and other maintenance.Available for purchase package contents:Number of 5 pieces: 1#/2#/3#/4#/5#6 pieces 1#/2#/3#/4#/5#/6#/7#8 #