Dual-Edged (Easy Out) Screw Extractor 5pc SET The new generation of Screw Extractors, Tapered flute design Made of high-strength steel (chrome vanadium) for greater resistance to breaking and rounding out For unscrewing ruined screws and bolts without damaging threads Can be turned in clockwise or counterclockwise direction (for right-and left-hand threads) Extractor being driven into the bore hole for firm and safe hold With center punch pin Non-slip and dual-edged engagement with the screw or bolt to be removed Unique hex shank design works well with all standard hex sockets and extensions or box wrenches, eliminating the problem of rounded corners Surface: burnished, cutting edges polished Made in Germany Size Inch Drill Ø Inch Screw SizesInch min max min max REN.1 1 1/4 1/8 3/16 3/16 1/4 REN.2 2 3/8 3/16 9/32 5/16 3/8 REN.3 3 1/2 1/4 3/8 7/16 1/2 REN.4 4 5/8 11/32 1/2 1/2 9/16 REN.5 5 3/4 7/16 5/8 5/8 3/4 REN.6 6 7/8 9/16 3/4 7/8 1 REN.7 7 1 3/4 15/16 1 >1 REN.SET5 Screw Extractor Set (Sizes 1-5) in vinyl pouch Link to individual extractors