8pc Screw Extractor Set You can now easily remove the most stubborn hard to remove screws with our compact 8pc Screw Extractor Set. Simply insert the extractor into a pre-drilled hole in the damaged screw or bolt. Then turn the extractor anti-clockwise using a tap wrench or spanner to gently remove the damaged screw or bolt. Great for extracting damaged screws, studs or sheared -off bolts. Made from high quality Carbon Steel for long lasting performance. Supplied in a convenient plastic storage case. Set includes:- Extractor 1: Diameter 4mm ? Size of screw/stud 3-6mm - Extractor 2: Diameter 4.5mm ? Size of screw/stud 6-8mm - Extractor 3: Diameter 6.4mm ? Size of screw/stud 8-11mm - Extractor 4: Diameter 7.6mm ? Size of screw/stud 11-14mm - Extractor 5: Diameter 11mm ? Size of screw/stud 14-18mm - Extractor 6: Diameter 15mm ? Size of screw/stud 18-20mm - Extractor 7: Diameter 19mm ? Size of screw/stud 20-22mm - Extractor 8: Diameter 24mm ? Size of screw/stud 22-26mm Visit our store to view our full range of fantastic products