Made from highly polished chrome vanadium steel with 1/2" drive

• These stud extractors are the concentric roller bearing type that won't damage the thread on the stud

• It can also be used with 21mm spanners with the hex drives on the top of the socket

• 1/2" drive

• Chrome Vanadium Steel

• Integrated Concentric roller bearings stud extractors

• Hex ends allow use with 21mm spanner

• Sizes: 1/2" Drive 21mm Spanner or Ratchet 6mm, 8mm, 10mm and 12mm

• Hardened / Tempered

• Corrosion Protected