Open double ring spanner, offset, bihexagonal, 36 x 41 mm. Supplied = assembled. Length = 350 mm. Model = twelve spline. Weight = 0.82 kg. Key shape = opening with 15° offset. Width across flats in mm = 36x41 mm. Unit of measurement for width across flats = metric. Product type = double ring spanners. Bihexagonal. DIN 3118. Jaw position 10 - 15° offset. Opening with 10 - 15° offset. Chrome-vanadium.