Draper expert 19mm 34 square drive powerdrive impact socket draper expert 28735 expert quality 6 point forged sockets hardened tempered and chemically blacked for corrosion protection supplied complete with pin and rings these sockets are for use with air electric or manual impact wrenches sold loose draper expert hi torq174 is a registered trademark of draper tools ltd draper expert 28735 30mm 34 square drive powerdrive impact socket