Content - 1/4": E4, E5, E6, E7, E8; 3/8": E10, E11, E12, E14;1/2": E16, E18, E20, E22, E24 14-Piece Female Torx Socket Set - E-Type Torx Sockets with 1/4" 3/8" and 1/2" Star Bit Sockets. Product designed for use in impact drivers and wrenches. E-Torx, metric and sizesinches, the special shape of the socket allows you to loosen a nut or screw Made of high quality Cr-V steel with polished chrome surface and heat treatment, which ensures good performance and long service life All sizes marked on the socket, which is permanent.This complete set can meet your daily needs 22cm x 11cm x 4cm with plastic box, keeps tools organized, easy to carry and store.If you have any further questions about the product, please feel free to contact us, thank you