#1 square flute screw extractor. removes bolt or screw size 3/16-5/16". use drill size 9/64", left hand cobalt drill bit suggested. aggressively removes bolts and screws. screw extractors are used when a screw or bolt has broken off while still in the fastening hole.

• Easily removes 3/16-Inch to 5/16-Inch broken bolts and screws
• Use 9/64-Inch left handed drill bit to drill hole this will help loosed bit
• Ideal for thin wall extractions
• Will not spread the wall as it extracts