2 Set Industrial tools: 1 Set x screw extractor & 1 Set x Thermal casing8-piece heavy duty steel extractor,different sizes of screw extractor to meet different needs. Reliable Quality- Made from carbon steel and are tempered twice for extra hardness and durability. Works on wood and machine screws, as well as flat, hex, or painted over screws.Screw extractor size includes 1 for 1/8 inch-5/32 inch , 2 for 5/32 inch-3/16 inch, 3 for 3/16 inch-1/4 inch, 4 for 1/4 inch-5/16 inch, 5 for 5/16 inch-7/16 inch, 6 for 7/16 inch-9/16 inch, 7 for9/16 inch-3/4 inch, 8 for 3/4 inch-1 inch.Remove Damaged Screws Bolts and Water Pipes - These extractors will remove most kinds of damaged, stripped, rusted, broken, or stuck screws from any wood or metal surface with relative ease. The new two water pipe extractors, designed for the broken water pipes.It can remove some of the common screwdriver can not be disassembled damaged bolts, screws, bolts and pipes.Reverse thread bits easily remove screws, bolts, studs, and threaded pipe fittings.1.100% brand new2.Minimum Shrink Temp: +70, Full Shrinkage Temp:+110, Working3.Big collection of heat shrink tubing, 8 Specifications.4.Supplied internal diameter: 1mm, 2mm,3mm,4mm,5mm,6mm,8mm,10mm5.Fully shrunk internal diameter: 0.5mm,1mm,1.5mm,2mm,2.5mm,3mm,4mm,5mmShrinkage Ratio: 2: 1(will maximum shrink to 1/2 of its supplied diameter)Total length: 12.6mTensile strength: 10.4 MpaDielectric strength: 15 kV/mmFlammability: Flame Retardantcolour: As ShownMaterial: Chrome vanadium steel+PolyolefinPackage Contents:8 x screw extractor1 x Blister box40 x 1.0 x 45mm Yellow Thermal casing40 x 2.0 x 45mm Blue Thermal casing40 x 2.0 x 45mm Black Thermal casing30 x 3.0 x 45mm Green Thermal casing25 x 4.0 x 45mm Red Thermal casing25 x 4.0 x 45mm Black Thermal casing20 x 5.0 x 45mm Black Thermal casing20 x 6.0 x 45mm Yellow Thermal casing10 x 8.0 x 45mm Red Thermal casing10 x 10.0 x 45mm Green Thermal casing10 x 10.0 x 45mm Blue Thermal casing10 x 10.0 x 45mm Black Thermal casingOnly the above package content, other products are not included.Note: Light shooting 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.