4 in 1 GEARplus reversing double ratchet ring spanner, metric, 10 x 19 - 13 x 17 mm. Supplied = assembled. Length = 190 mm. Model = flank traction. Feature = reversible. Weight = 0.20 kg. Key shape = straight. Width across flats in mm = 10x19 - 13x17 mm. Unit of measurement for width across flats = metric. Tooth = 72 pcs. Product type = ratcheting ring spanners. FlankTraction profile. Straight shape, very fine satin finish. Exact gearing with 72 teeth. Four different widths. With switch lever. Chrome-vanadium.