• Heat treated high strength steel. • Removes bolts without wedging or binding. • Works on left or right threaded bolts. • Tool #1: Screw size 1/4" - Drill size 1/8". • Tool #2: Screw size 5/16" - Drill size 11/64". • Tool #3: Screw size 3/8" - Drill size 15/64". • Tool #4: Screw size 7/16" - Drill size 9/32". • Tool #5: Screw size 1/2" - Drill size 3/8".
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