Item No.: H45B749

【NUT EXTRACTOR SIZE】:These 14-Pieces Bolt & Nut extractors  work on SAE/Metric sizes - 1/4", 5/16"(8mm), 3/8", 10mm, 7/16"(11mm), 12mm, 1/2",13mm, 9/16"(14mm), 5/8"(16mm), 17mm, 11/16", 3/4"(19mm), with 1/4 "to 3/8"hex adapter.
【SCREW EXTRACTOR AND DRILL BIT KIT SIZE】:
 6-Pieces Screw Extractor: 1#, 2#, 3#, 4#, 5#, 6#; 
6-Pieces  Left Hand HSS Drill Bit: 3/32", 1/8", 5/32", 1/4", 9/32", 3/8". All these tools are clearly marked.
Material：42 CRMO+HSS4341