Draper professional socket sets are divided by square drive - 1/4", 3/8", 1/2", 3/4" and 1" square drives. In addition to their standard six and twelve point sockets Draper offer four additional Draper Expert socket styles. These are the Draper Expert Hi-Torq® 6 Point, Draper Expert Hi-Torq® 12 Point, Draper Expert Multi-Drive® and the Draper Expert Vortex®, the revolutionary socket system. Each Draper Expert socket set is supplied in one of three varieties of cases, a soft zip case, a blow mould case or a metal case. See product description for further details.