Sealey-AK8185-Screw-Extractor-Set-6pc-3-8-Sq-Drive-Sealey-AK8185-Designed-to-remove-broken-bolts-and-studs-without-damaging-the-casing-Manufactured-from-heat-treated-Chrome-Molybdenum-steel-Reverse-thread-spiral-design-for-maximum-grip-with-recommended-drill-bit-size-for-pilot-hole-etched-on-each-extractor-Suitable-for-use-with-3-8-Sq-drive-ratchets-Supplied-in-storage-case-Sealey-AK8185-Screw-Extractor-Set-6pc-3-8-Sq-Drive