Sealey 16 piece insulated socket set 3 8 sq drive 6pt walldrive sealey premier ak7940 hardened and tempered chrome vanadium steel sockets and accessories chrome plated for resistance to corrosion each component is fully insulated to vde tuv gs and en 60900 standards to protect from electric shocks up to 1500v dc and 1000v ac covers sizes from 8 to 22mm features 45 tooth flip reverse comfort grip ratchet wrench with push button quick release hex socket bits locking extension bars and lo