TEMO 12 pc SCREW EXTRACTOR Damaged Broken Bolt Removal SET Kit DRILL EASY OUT 12pc extractors to remove damaged screw or bolt. Extractors are made of high carbon alloy tempered steel. Hardend for long life. SIZES: #1, #2, #3,#4,#5 &#6. EXTRACT A WIDE VARIETY OF SCREWS FROM 1/8" (3.175mm)-7/8" (22.22mm) IN WIDTH 6 Polished high speed steel pilot drill bits designed for each extractors: 5/64'', 1/8'', 5/32'', 1/4'', 9/32'', & 3/8''; Plastic storage case included. Direction: STEP 1. PRE-DRILL THE CENTER OF THE BROKEN BOLT with included drill bits. STEP 2. INSERT SCREW EXTRACTOR. STEP 3. WHILE APPLYING DOWNWARD PRESSURE TURN EXTRACTOR LEFT WITH A TAPWRENCH, IF YOU DON'T HAVE A TAP WRENCH, A STANDARD VISE-GRIP CHANNEL LOCK WILL ALSO WORK.