Metric standard sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 17 and 19mm; stubby sizes: 10, 11, 12, 13 and 15mm.Imperial (AF) standard sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"; stubby sizes: 3/8", 7/16", 1/2", 9/16" and 5/8".Bi-Hex (12pt) profile with 15° offset head for improved access. Stubby sizes allow easier operation in restricted access applications.Manufactured from chrome vanadium in a fully polished finish and presented in an EVA foam tool organizer tray (380mm x 285mm).Laser Tools offers a full range of combination spanners from miniature 3.2mm up to heavy duty 105mm in both sets and as individual spanners.