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RUKO Set Of 29 Hand Open Threads HSS - Industrial Box- Set of 29 pieces M DIN 352 each set with 3 piecesM 3 - M 4 - M 5 - M 6 - M 8 - M 10 - M 12 + 7 helical drills DIN 338 Type N Ø 2,5 - 3,3 - 4,2 - 5,0 - 6,8 - 8 , 5 - 10.2 mm + 1 male detander DIN 1814 size 11/2