Professional impact stud extractor for commercial or occasional use 3/8 drive impact stud extractorIdeal for removing broken, stripped and rusted studs3/8 drive so will fit any 3/8 drive application / toolCan be used with either air tools or normal hand toolsManufactured from C R-v steel for maximum strength and durabilityJaws manufactured from heat treated carbon steel Suitable for bolts / studs from 6mm 12mm (1/4″ 1/2) Chuck style design so perfect for added and accurate gripAs well as being used by a 3/8 drive ratchet it can also be used by an impact driver or by a 24mmspannerIdeal for removing broken, stripped and rusted studs as well as threaded rods and broken bolt shanks.