10" 1/2" Drive Impact Locking Extension

10" 1/2" Drive Impact Locking Extension Locking extensions eliminates the problem of sockets remaining stuck to a fastener or sockets being dropped when the tool is removed from a tight compartment giving you the optimal tool control you need SK Impact sockets are coated with a rust-preventative compound that makes them exceptionally resistant to corrosive factors Semi-automatic locking mechanism specifically for impact use Knurled quick release collar allows for one-handed socket removal even with greasy hands