For external torx bolts. Seven sizes E-6 thru E-16. The three smaller sizes are 1/4" drive; the four larger sizes are 3/8" drive. Made of heat-treated alloy steel. Sockets are kept in a convenient vinyl holder Fits Ford under body cross members, rear wheel brakes on Thunderbirds and Cougars, and dual wheel Ford trucks. Use with 1/2" drive. 26750 Torx Socket Set. Skin-packed. Shipping wt. 10 oz. .