Different sizes and heads of screwdrivers are essential to any tool box, from the basic to the advanced. These pocket screwdrivers are small enough to keep in the pocket, the tool box or anywhere else you might need them. Set includes two flat head screwdrivers and two Philips head screwdrivers, each offered in a small size and in a larger size. Smaller sizes are 3 1/4" long and larger are 5" long.