About this product

1、Made from premium chrome vanadium steel, it is durable, of high strength and good abrasion resistance durable

2、Ball bearing on head holds sockets securely

3、1/4in, 3/8in, 1/2in hex shank fits well with many electric drill

4、Change your hand socket set into a driven socket with different size

5、Nickel plating extension bars set can be used for a long time

These adapters are handy for attaching a

socket sets, ratchet sockets, socket wrench, ratchet universal sockets to an

electric drill.