The SCA 12 Piece 1/2" Drive Metric Socket Set is a perfect starting point for anyone who wants to start their collection of tools. Being a 1/2" drive this can be used for a variety of different bolt sizes between 10mm and 22mm without fear of overstressing the ratchet. An extension bar is also supplied with this set to allow easier movement in harder to get to areas. The ratchet itself has a soft cushioned handle for extra grip and increased comfort, and is made from chrome vanadium steel as are the rest of the components in this set. For a high quality set of sockets without the price tag, the SCA 1/2" Drive Metric Socket Set is a great choice for any DIY handyman.