Stud Socket Extractor Installer Remover Roller Type 4pc Metric/Imperial 6-12mm

Professional tool for commercial or occasional use Manufactured from chrome vanadium steel for strength and durability Socket type design to remove threaded studs from engine blocks etc.. without damaging the thread Also removes studs that have had the threads damaged Will remove and install studs The rollers are the concentric roller bearing type grip 3/8" and 1/2" drive so will fit any3/8" or 1/2" drive ratchets / bars etc Can also be used with a 19mm or a 22mm spanner where aces is limited (size of spanner depends on the socket in use) Includes stud extractors for threads with the following diameters 6mm (1/4"), 8mm (5/16"), 10mm (3/8") and 12mm (1/2") Supplied in a blow molded storage case for easy storage and transportation SET INCLUDES THE FOLLOWING • 1 x stud extractor - 6mm - 3/8" drive • 1 x stud extractor - 8mm - 3/8" drive • 1 x stud extractor - 10mm - 1/2" drive • 1 x stud extractor - 12mm - 1/2" drive.