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⬡ SPLINE bit 1/2" M17 x100mmL, S2 (YT04357, YATO)
Material S2|CrV 6150
DIN 3120
Designed for cylinder head screws in Daimler Benz engines M400 - M420 - M500, use like MB-No. 422589010900
or the rear axle on Volkswagen Passat and others