No. 1 to No. 5. Spiral flute type. Remove broken studs, bolts etc by drilling pilot hole, insert the screw extractor and turn anti-clockwise. Drill size stamped on each extractor for easy use.

Chrome Molybdenum construction and heat treated. No. 1 to No. 5. Straight flute type. Remove broken studs, bolts etc by drilling pilot hole, drive the screw extractor in and turn anti-clockwise. Drill size stamped on each extractor for easy use.