General description This set of 10 Locking Bolt Extractor Sleeves is designed for heavy-duty use, providing a reliable solution for removing nuts, bolts, screw heads, and studs. The tools feature spiral cut teeth that ensure a positive grip, making it easier to extract rounded or damaged bolts. Each tool can be driven with a metric wrench or socket, allowing for quick and efficient work. The entire set is conveniently packaged in a case for easy storage and transport. Technical specifications Head sizes: 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 19mm Set includes: 10 pieces