Alden 1647P Micro Grabit Broken Bolt Extractor #2 The product is a #8-4MM Screw Extractor Purpose of use for Handtools & Tool Organizers, threading-tap-extractors Manufactured in China Two-step drill bit and extractor in one tool. Multiple tools not required. Self centering drill tip; no walking or wandering. No grinding, center punching required. Works on jagged uneven rough breaks. No grinding, Center punching required. Tempered twice for extra hardness. Results in multiple extractions per tool. Made from M2 HSS. Highest quality steel used and made in the USA.