52.1100 M6-M12 1/2-inch Stud Extractor Set (4 Pieces)
1 x Stud extractor set, 4pcs, 1/2', M6-M12. Stud screws can be screwed in or out without using counter nuts on the bolt. Square drive adaptor to DIN 3120 / ISO 1174 with ball lock. External drive hexagon socket 21 mm.