Draper Metric Hexagon Key Set 10 Piece Manufactured from chrome vanadium steel hardened and tempered, each held on key ring type holder. Display packed. Contents: 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 5.5, 6.0, 8.0 and10.0mm Part No. TKR10M