Stahlwille603834 40030607 10 6 X 7 Double-ended Open Ring Spanner 6 - 7 mm - Stahlwille 40031314, Design according to DIN 3110 and ISO10102. Made from chrome alloy steel, chrome-plated surface. Stahlwille 40031314 10 13 X 14 Double-ended Open Ring Spanner 13 - 14 mm