Double open ended spanner set, 10 pieces, chrome plated. Supplied = assembled. Weight = 1.40 kg. Number of parts = 10 pcs. High quality chrome-vanadium steel. High precision when tightening and undoing screws. Matt chrome plated - non-slip surface, optimal adhesion on steel. Included in delivery: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 21 x 22, 24 x 26, 27 x 32 mm. Chrome plated finish. DIN 3110, ISO 10102.