Toledo imperial Hex Key Set. Manufactured from heat treated vanadium steel with industrial black finish. Features standard hex and â??ballâ? hex desiBall end allows improved access to application and up to 25 Degree working angle for increased speed and easy of entry. 7 Piece set (AF) supplied in a storage magazine. Sizes; 3/32 x 90mm, 1/8 x 100mm, 5/32 x 110mm, 3/16 x 115mm, 1/4 x 140mm, 5/16 x 160mm & 3/8 x 180mm.